CN106817852B - PCB fixing device of SMT chip mounter - Google Patents
PCB fixing device of SMT chip mounter Download PDFInfo
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- CN106817852B CN106817852B CN201710228938.2A CN201710228938A CN106817852B CN 106817852 B CN106817852 B CN 106817852B CN 201710228938 A CN201710228938 A CN 201710228938A CN 106817852 B CN106817852 B CN 106817852B
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- sliding seat
- groove
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- sliding
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- 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
- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
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- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0165—Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Plates (AREA)
- Clamps And Clips (AREA)
Abstract
The PCB fixing device of the SMT chip mounter comprises a bottom plate, wherein four guide grooves are formed in the upper surface of the bottom plate and are radially distributed with the same point as the center, and each guide groove comprises a first longitudinal groove, a second longitudinal groove, a first transverse groove and a second transverse groove; a first longitudinal sliding seat is arranged in the first longitudinal groove, a second longitudinal sliding seat is arranged in the second longitudinal groove, a first transverse sliding seat is arranged in the first transverse groove, a second transverse sliding seat is arranged in the second transverse groove, and each sliding seat can slide relative to the guide groove where the sliding seat is positioned and can be blocked and fixed in the guide groove where the sliding seat is positioned; the device also comprises a first sleeve plate, a second sleeve plate, a first movable plate and a second movable plate which extend vertically; the combined board formed by the first sleeve board and the first movable board and the combined board formed by the second sleeve board and the second movable board are used for clamping and fixing the PCB. The PCB with the rectangular shape can be clamped and fixed, and the PCB with the irregular shape can also be clamped, so that the application range of the PCB is wider.
Description
Technical Field
The application relates to the field of SMT chip mounters, in particular to a PCB fixing device of an SMT chip mounter.
Background
Electronic circuit surface mount technology (Surface Mount Technology, SMT for short) is known as surface mount technology or surface mount technology. The surface-mounted component without pins or short leads is mounted on the surface of a printed circuit board (Printed Circuit Board, PCB for short) or the surface of other substrates, and is usually soldered by reflow soldering or dip soldering through an SMT (surface mounted technology) chip mounter.
The existing PCB fixing device of the SMT chip mounter is usually used for fixing a relatively regular PCB with a rectangular shape and the like, but a feasible fixing mode is quite fresh for an irregularly-shaped PCB.
Disclosure of Invention
The application provides a PCB fixing device of SMT chip mounter can fix irregularly shaped PCB.
The PCB fixing device of the SMT chip mounter comprises a bottom plate, wherein four guide grooves are formed in the upper surface of the bottom plate, the four guide grooves are radially distributed with the same point as the center, and each guide groove comprises a first longitudinal groove and a second longitudinal groove which are longitudinally distributed, and a first transverse groove and a second transverse groove which are transversely distributed; the first longitudinal groove and the second longitudinal groove and the first transverse groove and the second transverse groove are respectively spaced by a preset distance; a first longitudinal sliding seat is arranged in the first longitudinal groove, a second longitudinal sliding seat is arranged in the second longitudinal groove, a first transverse sliding seat is arranged in the first transverse groove, a second transverse sliding seat is arranged in the second transverse groove, and the first longitudinal sliding seat, the second longitudinal sliding seat, the first transverse sliding seat and the second transverse sliding seat can slide relative to the guide groove where the first longitudinal sliding seat and the second longitudinal sliding seat are positioned and can be blocked and fixed in the guide groove where the first transverse sliding seat and the second transverse sliding seat are positioned; the device also comprises a first sleeve plate, a second sleeve plate, a first movable plate and a second movable plate which extend vertically; one end of the first sleeve plate is rotationally connected with the first longitudinal sliding seat, a first sliding groove extending to the end face is formed in the inner side face of the other end of the first sleeve plate, one end of the first movable plate is rotationally connected with the first transverse sliding seat, and the other end of the first movable plate is inserted into the first sliding groove and can slide relative to the first sliding groove; one end of the second sleeve plate is rotationally connected with the second longitudinal sliding seat, a second sliding groove extending to the end face is formed in the inner side face of the other end of the second sleeve plate, one end of the second movable plate is rotationally connected with the second transverse sliding seat, and the other end of the second movable plate is inserted into the second sliding groove and can slide relative to the second sliding groove; the inner walls of the first sliding groove and the second sliding groove are respectively provided with a plurality of sliding clamping pieces, the surfaces of the first movable plate and the second movable plate are respectively provided with a sliding clamping groove matched with the corresponding sliding clamping pieces, and the sliding clamping pieces are clamped in the sliding clamping grooves and can slide relative to the sliding clamping grooves; the combined board formed by the first sleeve board and the first movable board and the combined board formed by the second sleeve board and the second movable board are used for clamping and fixing the PCB.
Preferably, the top wall and the bottom wall of the first sliding groove and the second sliding groove are provided with the sliding clamping piece, and the upper surface and the lower surface of the first movable plate and the second movable plate are provided with the sliding clamping grooves.
Preferably, the sliding clamping piece is a triangular bulge, and the section of the sliding clamping groove is triangular.
Preferably, the end that first sleeve board and first vertical sliding seat rotate to be connected, the end that second sleeve board and second vertical sliding seat rotate to be connected, the end that first fly leaf and first horizontal sliding seat rotate to be connected and the end that second fly leaf and second horizontal sliding seat rotate to be connected all are fixed with the fixed plate that transversely extends, all offer the through-hole on the fixed plate, and first vertical sliding seat, second vertical sliding seat, first horizontal sliding seat and second horizontal sliding seat all cross-under are in the through-hole of corresponding fixed plate in order to realize rotating the connection.
Preferably, the first longitudinal sliding seat, the second longitudinal sliding seat, the first transverse sliding seat and the second transverse sliding seat all comprise screws, the screws penetrate through the through holes and extend into the guide grooves, screw heads are fixed at one ends of the screws extending into the guide grooves, and nuts are sleeved at the upper ends of the screws penetrating through the through holes.
Preferably, the upper ends of the inner sides of the first sleeve plate and the second sleeve plate are also provided with transverse plates extending transversely inwards.
Preferably, the thickness of the transverse plates decreases in sequence in the direction of extension thereof.
Preferably, the upper surface of the bottom plate is also provided with a plurality of negative pressure suction holes.
The beneficial effects of this application are that, the sliding seat can be fixed at the guide way free slip or the card, can adjust the position of sleeve board and fly leaf, the fly leaf is pegged graft in the sleeve inboard and can slide relatively the sleeve board to adapt to the position of sliding seat in the guide way, make fly leaf and sleeve board be in the coplanar, therefore, along with the adjustment of sliding seat, the combination board that first sleeve board and first fly leaf formed and the combination board that second sleeve board and second fly leaf formed can the centre gripping rectangle shape PCB, also can the centre gripping irregularly shaped PCB, especially irregularly shaped's quadrilateral PCB, thereby its application range is wider. Meanwhile, the sliding groove extends from the inner side surface of the sleeve plate to the end surface of the sliding groove, the inner side surfaces of the movable plate and the sleeve plate are positioned on the same plate plane, the contact surfaces of the movable plate and the sleeve plate as well as the PCB are increased, and the fixing effect is improved.
Drawings
Fig. 1 is a top view of a PCB fixture of an SMT pick and place machine according to an embodiment of the present application;
fig. 2 is a schematic structural view of a first sleeve plate and a first longitudinal sliding seat in a connection state according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a slide mount in a connected state according to one embodiment of the present application;
fig. 4 is a schematic structural view of a first sleeve plate and a first movable plate in a connected state according to an embodiment of the present application.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments.
The embodiment of the application provides a PCB fixing device of SMT chip mounter, this fixing device is fixed on SMT chip mounter, uses with SMT chip mounter combination. As shown in fig. 1, the device comprises a bottom plate 1, four guide grooves are formed in the upper surface of the bottom plate 1, the four guide grooves are radially distributed with the same point on the bottom plate 1 as the center, and in the figure, the four guide grooves comprise a first longitudinal groove 11 and a second longitudinal groove 12 which are longitudinally distributed, and a first transverse groove 13 and a second transverse groove 14 which are transversely distributed. The first longitudinal groove 11 and the second longitudinal groove 12 and the first transverse groove 13 and the second transverse groove 14 are spaced apart by a predetermined distance, and the two spaced apart distances are equal. The value of the predetermined distance can be reasonably determined by a person skilled in the art according to actual needs.
A first longitudinal sliding seat 21 is arranged in the first longitudinal groove 11, a second longitudinal sliding seat 22 is arranged in the second longitudinal groove 12, a first transverse sliding seat 23 is arranged in the first transverse groove 13, a second transverse sliding seat 24 is arranged in the second transverse groove 14, the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 are all connected in corresponding guide grooves in a penetrating manner, can slide relative to the guide grooves in which the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 are arranged and can be blocked and fixed in the guide grooves in which the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 are arranged, and in one state, the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 can slide in the guide grooves freely, and in the other state, the first longitudinal sliding seat and the second longitudinal sliding seat 24 can be blocked and fixed in a clamping manner at any time. The screw and nut can be matched or clamped.
The fixture further comprises a first 31, a second 32, a first 41 and a second 42 vertically extending deck. One end of the first sleeve plate 31 is rotatably connected to the first longitudinal sliding seat 5, so that the first sleeve plate 31 can rotate relative to the first longitudinal sliding seat 5. The end surface of the other end of the first sleeve plate 31 is provided with a first sliding groove extending inward from the end surface in the extending direction of the first sleeve plate 31. One end of the first movable plate 41 is rotatably connected with the first transverse sliding seat 23, and the other end of the first movable plate 41 is inserted into the first sliding groove and can slide relative to the first sliding groove. One end of the second sleeve plate 32 is rotatably connected with the second longitudinal sliding seat 42, and a second sliding groove is formed in the end surface of the other end of the second sleeve plate 32 and extends inwards along the extending direction of the second sleeve plate 32 from the end surface. One end of the second movable plate 42 is rotatably connected with the second transverse sliding seat 24, and the other end of the second movable plate 42 is inserted into the second sliding groove and can slide relative to the second sliding groove. Thus the first sleeve plate 31 and the first movable plate 41 form a variable length composite plate, the second sleeve plate 32 and the second movable plate 42 also form a variable length composite plate, and the variability of the lengths of the two composite plates can adapt to the position of the sliding seat in the guide groove and enable the movable plate and the sleeve plate to be positioned on the same plate plane. When in use, a PCB can be placed on the bottom plate 1, the positions of the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 in the guide groove are adjusted, so that the included angle between the two combined plates is changed, the combined plates are attached to the surface of the PCB, and the combined plates formed by the first sleeve plate 31 and the first movable plate 41 and the combined plates formed by the second sleeve plate 32 and the second movable plate 42 can clamp and fix the PCB. Because the included angle between the two combined boards changes the span greatly, the PCB can adapt to PCBs with various different regular shapes, in particular to irregular quadrilateral PCBs. Wherein, in order to ensure sufficient clamping strength, the first sleeve plate 31, the first movable plate 41, the second sleeve plate 32 and the second movable plate 42 are all made of steel materials. Meanwhile, in order to make the inner sides of the movable plate and the sleeve plate (the side for clamping the PCB is the inner side) in the same plate plane as much as possible, the interval between the inner walls of the sliding groove and the inner side of the sleeve plate should be as small as possible.
Specifically, as shown in fig. 1 and fig. 4, the sliding groove extends from the inner side surface of the sleeve plate along the extending direction of the sleeve plate to the end surface, so that an opening is formed in the inner side surface of the sleeve plate, the movable plate is inserted into the sliding groove, the thickness of the movable plate is matched with that of the sliding groove, the movable plate, the inner side surface and the inner side surface of the sleeve plate are in the same plane, contact with the PCB is smoother, and the clamping and fixing effects on the PCB are enhanced. The inner walls of the first sliding groove and the second sliding groove are respectively provided with a plurality of sliding clamping pieces 301, the surfaces of the first movable plate 41 and the second movable plate 42 are respectively provided with a sliding clamping groove 401 matched with the corresponding sliding clamping pieces 301, the sliding clamping pieces 301 are clamped in the sliding clamping grooves 401 and can slide relative to the sliding clamping grooves 401, and the movable plate easily slides out of the sliding grooves from the openings of the inner side surfaces of the sleeve plates due to the fact that the sliding grooves are opened, so that the sliding clamping pieces 301 are clamped in the sliding clamping grooves 401, and the movable plate is prevented from being separated from the sliding grooves.
Further, the sliding clamping piece 301 is disposed on the top wall and the bottom wall of the first sliding groove and the second sliding groove, the upper surface and the lower surface of the first movable plate 41 and the second movable plate 42 are respectively provided with the sliding clamping groove 401, so that the clamping movable plate is fixed from the upper end and the lower end, and the clamping effect is improved. Specifically, the sliding clamping member 301 is a triangular protrusion, and the cross section of the sliding clamping groove 401 is triangular, so that the sliding clamping member 301 can be well clamped in the sliding clamping groove 401.
In one embodiment, as shown in fig. 2 and 3, the end of the first sleeve plate 31 rotationally connected with the first longitudinal sliding seat 21, the end of the second sleeve plate 32 rotationally connected with the second longitudinal sliding seat 22, the end of the first movable plate 41 rotationally connected with the first transverse sliding seat 23 and the end of the second movable plate 42 rotationally connected with the second transverse sliding seat 24 are all fixed with a fixing plate 5 which extends transversely, the fixing plate 5 is parallel to the surface of the bottom plate 1, vertically extending through holes are formed on the fixing plate 5, and the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 are all connected in the through holes of the corresponding fixing plate 5 in a penetrating manner to realize rotational connection. Therefore, the sleeve plate and the movable plate can rotate relative to the sliding seat.
Further, the first longitudinal sliding seat 21, the second longitudinal sliding seat 22, the first transverse sliding seat 23 and the second transverse sliding seat 24 all comprise a screw 201, and the surface of the screw 201 is provided with threads. The screw 201 passes through the through hole of the fixing plate 5 and extends into the guide groove, the screw head 202 is fixed at the lower end of the screw 201, i.e. the end extending into the guide groove, and the width of the screw head 202 is larger than the groove width of the guide groove, so that the screw 201 can be prevented from sliding out of the guide groove. The upper end of the screw 201, i.e. the upper end passing through the through hole, is also sleeved with a nut 203. In use, the first longitudinal slide seat 21, the second longitudinal slide seat 22, the first transverse slide seat 23 or the second transverse slide seat 24 can be fastened in the guide groove by tightening the nut 203, and the slide seat can be freely slid in the guide groove by loosening the nut 203.
In one embodiment, as shown in fig. 4, the upper ends of the inner sides (i.e., the sides holding the PCB) of the first and second set of boards 31 and 32 are further provided with a transverse board 310 extending transversely inward. Therefore, the PCB can be covered above the PCB, and the PCB is prevented from jumping out in the clamping process, so that the fixing effect is improved. Further, the thickness of the transverse plate 310 is sequentially reduced in the extending direction, so that PCBs with different thicknesses can be adapted, and PCBs with different thicknesses can be contacted with the transverse plate 310 to improve the application range thereof.
In an embodiment, the upper surface of the bottom plate 1 is further provided with a plurality of negative pressure suction holes at two sides of the guide groove, and a negative pressure machine connected with the negative pressure suction holes is arranged below the bottom plate 1, so that the adsorption effect is further improved, and the fixation of the PCB is enhanced.
The embodiment of the application also provides an SMT chip mounter, which comprises the PCB fixing device of the SMT chip mounter.
The foregoing is a further detailed description of the invention in connection with specific embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the invention.
Claims (5)
1. PCB fixing device of SMT chip mounter, its characterized in that:
the device comprises a bottom plate, wherein four guide grooves are formed in the upper surface of the bottom plate and are radially distributed with the same point as the center, and each guide groove comprises a first longitudinal groove and a second longitudinal groove which are longitudinally distributed, and a first transverse groove and a second transverse groove which are transversely distributed; the first longitudinal groove and the second longitudinal groove and the first transverse groove and the second transverse groove are respectively spaced by a preset distance; a first longitudinal sliding seat is arranged in the first longitudinal groove, a second longitudinal sliding seat is arranged in the second longitudinal groove, a first transverse sliding seat is arranged in the first transverse groove, a second transverse sliding seat is arranged in the second transverse groove, and the first longitudinal sliding seat, the second longitudinal sliding seat, the first transverse sliding seat and the second transverse sliding seat can slide relative to the guide groove where the first longitudinal sliding seat and the second longitudinal sliding seat are positioned and can be blocked and fixed in the guide groove where the first transverse sliding seat and the second transverse sliding seat are positioned;
the device also comprises a first sleeve plate, a second sleeve plate, a first movable plate and a second movable plate which extend vertically; one end of the first sleeve plate is rotationally connected with the first longitudinal sliding seat, a first sliding groove extending to the end face is formed in the inner side face of the other end of the first sleeve plate, one end of the first movable plate is rotationally connected with the first transverse sliding seat, and the other end of the first movable plate is inserted into the first sliding groove and can slide relative to the first sliding groove; one end of the second sleeve plate is rotationally connected with the second longitudinal sliding seat, a second sliding groove extending to the end face is formed in the inner side face of the other end of the second sleeve plate, one end of the second movable plate is rotationally connected with the second transverse sliding seat, and the other end of the second movable plate is inserted into the second sliding groove and can slide relative to the second sliding groove; the inner walls of the first sliding groove and the second sliding groove are respectively provided with a plurality of sliding clamping pieces, the surfaces of the first movable plate and the second movable plate are respectively provided with a sliding clamping groove matched with the corresponding sliding clamping pieces, and the sliding clamping pieces are clamped in the sliding clamping grooves and can slide relative to the sliding clamping grooves; the combined board formed by the first sleeve board and the first movable board and the combined board formed by the second sleeve board and the second movable board are used for clamping and fixing the PCB; the top wall and the bottom wall of the first sliding groove and the second sliding groove are provided with the sliding clamping piece, and the upper surface and the lower surface of the first movable plate and the second movable plate are respectively provided with the sliding clamping groove; the sliding clamping piece is a triangular bulge, and the section of the sliding clamping groove is triangular; the first sleeve plate is rotationally connected with the first longitudinal sliding seat, the second sleeve plate is rotationally connected with the second longitudinal sliding seat, the first movable plate is rotationally connected with the first transverse sliding seat, and the second movable plate is rotationally connected with the second transverse sliding seat, the fixing plates are fixedly arranged at the transversely extending ends, through holes are formed in the fixing plates, and the first longitudinal sliding seat, the second longitudinal sliding seat, the first transverse sliding seat and the second transverse sliding seat are connected in the through holes of the corresponding fixing plates in a penetrating mode to achieve rotational connection.
2. The PCB fixation device of claim 1 wherein:
the first longitudinal sliding seat, the second longitudinal sliding seat, the first transverse sliding seat and the second transverse sliding seat all comprise screws, the screws penetrate through the through holes and extend into the guide grooves, screw heads are fixed at one ends of the screws extending into the guide grooves, and nuts are sleeved at the upper ends of the screws penetrating through the through holes.
3. The PCB fixation device of claim 1 wherein:
the upper ends of the inner side surfaces of the first sleeve plate and the second sleeve plate are also provided with transverse plates which extend transversely inwards.
4. A PCB fixation device according to claim 3 wherein:
the thickness of the transverse plates decreases in sequence in the direction of extension thereof.
5. The PCB fixation device of claim 1 wherein:
the upper surface of the bottom plate is also provided with a plurality of negative pressure suction holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228938.2A CN106817852B (en) | 2017-04-10 | 2017-04-10 | PCB fixing device of SMT chip mounter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228938.2A CN106817852B (en) | 2017-04-10 | 2017-04-10 | PCB fixing device of SMT chip mounter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106817852A CN106817852A (en) | 2017-06-09 |
| CN106817852B true CN106817852B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710228938.2A Active CN106817852B (en) | 2017-04-10 | 2017-04-10 | PCB fixing device of SMT chip mounter |
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| Country | Link |
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| CN (1) | CN106817852B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461103A (en) * | 2019-09-06 | 2019-11-15 | 苏州科源利电子有限公司 | A kind of elastic force spinner blocks structure with what PCB bearing fixture and upper cover plate matched |
| CN114340199B (en) * | 2021-12-20 | 2024-06-14 | 江苏永鼎光电子技术有限公司 | Automatic chip mounter |
Citations (4)
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| CN203181426U (en) * | 2013-01-23 | 2013-09-04 | 深圳市通普科技有限公司 | Printed circuit board fixation clamper |
| CN104254199A (en) * | 2013-06-27 | 2014-12-31 | 华为技术有限公司 | Electronic board card system and electronic device |
| CN106304653A (en) * | 2016-09-29 | 2017-01-04 | 成都鼎翔通信技术有限公司 | Adjustable for height pcb board clamping device |
| CN206077844U (en) * | 2016-08-06 | 2017-04-05 | 广州芯品电子制造有限公司 | A kind of supporting mechanism of vision paster machine and pcb board |
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2017
- 2017-04-10 CN CN201710228938.2A patent/CN106817852B/en active Active
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|---|---|---|---|---|
| CN203181426U (en) * | 2013-01-23 | 2013-09-04 | 深圳市通普科技有限公司 | Printed circuit board fixation clamper |
| CN104254199A (en) * | 2013-06-27 | 2014-12-31 | 华为技术有限公司 | Electronic board card system and electronic device |
| CN206077844U (en) * | 2016-08-06 | 2017-04-05 | 广州芯品电子制造有限公司 | A kind of supporting mechanism of vision paster machine and pcb board |
| CN106304653A (en) * | 2016-09-29 | 2017-01-04 | 成都鼎翔通信技术有限公司 | Adjustable for height pcb board clamping device |
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| CN106817852A (en) | 2017-06-09 |
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