CN113210220B

CN113210220B - Three proofings are glued and are coated protection device

Info

Publication number: CN113210220B
Application number: CN202011577649.1A
Authority: CN
Inventors: 任栋江; 王振义
Original assignee: Asteelflash Electronics Suzhou Co ltd
Current assignee: Asteelflash Electronics Suzhou Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-07-08
Anticipated expiration: 2040-12-28
Also published as: CN113210220A

Abstract

The invention relates to the technical field of PCB protection processing tools and discloses a three-proofing adhesive coating protection device which comprises a base, wherein a middle seat is arranged at the top of the base, a top seat is arranged on the inner side of the middle seat, the top seat comprises a guide frame, the guide frame extends into the inner side of the middle frame, the top of the guide frame is fixedly connected with the inner side of a fixing plate, and the fixing plate is positioned above the middle frame. This three proofings is glued and is coated protection device, through being provided with the footstock, and the cooperation of locating plate and PCB board in the footstock, make the locating plate can fix a position fixed three proofings glue when coating and the interval between the PCB board, the mode that blocks through the hard makes the gluey coating of three proofings comparatively accurate, through the cooperation that capillary and PCB board top three proofings were glued, make the capillary can promote the gluey flow of three proofings through capillary action, improved the homogeneity that PCB board surface three proofings glued the coating, and make PCB board surface protecting effect higher.

Description

Three proofings are glued and are coated protection device

Technical Field

The invention relates to the technical field of PCB protection processing tools, in particular to a three-proofing adhesive coating protection device.

Background

Along with the higher requirements of the markets at home and abroad on moisture resistance, corrosion resistance and pollution prevention of PCB products, the coating requirements of three-proofing glue are higher and higher, and a coating auxiliary tool is required to be used in the coating process of the three-proofing glue of the PCB for auxiliary coating of the three-proofing glue.

The mask is usually pasted to the position that need not to coat three proofings and glues to the three proofings of gluing of PC board surface coating sticky tape or protection label among the prior art to produce the influence to this position when avoiding coating three proofings and gluing, but this kind of protection method's operation is comparatively loaded down with trivial details, and produces the influence to the flow that three proofings were glued, leads to the coating effect that PCB board surface three proofings was glued relatively poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the three-proofing adhesive coating protection device which has the advantages of convenience in use, better coating effect of the three-proofing adhesive on the surface of the PCB and the like, and solves the problem that the coating effect of the three-proofing adhesive on the surface of the PCB is poorer due to the fact that the flowing of the three-proofing adhesive is easily influenced in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a three-proofing adhesive coating protection device comprises a base, a middle base is placed at the top of the base, a top base is placed on the inner side of the middle base, the middle base comprises a middle frame and a protection sleeve pad, the top base comprises a guide frame, the guide frame extends into the inner side of the middle frame, the top of the guide frame is fixedly connected with the inner side of a fixing plate, the fixing plate is located above the middle frame, the lower surface of the fixing plate is in contact with an adjacent protection sleeve pad, fixing grooves are formed in four corners of the top of the fixing plate, four groups of fixing grooves are respectively located right above four groups of threaded holes in the top of the middle frame, the middle of the guide frame is fixedly connected with the outer side of a positioning plate, a plurality of groups of dam enclosing grooves and locking grooves are formed in the top of the positioning plate, the dam enclosing grooves are located right above a PCB, the top of the positioning plate is fixedly connected with the middle of the outer side wall of a capillary tube, and the bottom end of the capillary tube penetrates through the bottom of the guide frame, the top of the guide frame is provided with a plurality of groups of adding grooves, the groups of adding grooves are distributed among a plurality of groups of dam grooves, the bottom of the top seat is in contact with the top of the base, the top of the top seat extends to the upper part of the middle seat, the top seat and the middle seat are fixed through screws, a plurality of groups of PCB boards are placed on the upper surface of the base, the middle seat is positioned above the PCB boards, the top pin of the PCB boards is covered with a protection part, the protection part comprises a buckling board, the outer side of the top of the buckling board is fixedly connected with an extension column, an extension groove is arranged right below the extension column and is arranged at the bottom of the buckling board, the middle part of the buckling board is provided with a trepan internal hole, a sleeve pipe is inserted in the trepan internal hole, the top pin of the PCB board penetrates through the sleeve pipe, the bottom of the buckling board is in contact with the upper surface of the PCB board, a plugging piece is inserted in the top through hole of the PCB board, and comprises a cover plate, the top inner wall of apron and the top fixed connection of midblock, the capillary groove is enclosed into in the clearance between the midblock outside and the apron inner chamber, the bottom of midblock and the top fixed connection who inserts the axle, insert in the through-hole of PCB board the bottom of axle, and the bottom of apron and PCB board upper surface contact, the protection piece all passes the well seat with the shutoff piece.

Preferably, the base includes the frame, the middle part joint of frame has the absorption pad, the bottom of absorption pad and the bottom coplane of frame, and the top of absorption pad is less than the top of frame, the upper surface bonding of absorption pad has a plurality of groups backing plate, and the PCB board is placed to the upper surface of backing plate.

Preferably, the backing plate is a metal plate, the shape and the size of the backing plate are matched with those of the PCB respectively, the absorption pad is an elastic fiber pad, and the length and the width of the absorption pad are matched with those of the inner cavity of the middle seat respectively.

Preferably, the center includes the center, the center is rectangle annular structure, and the screw hole that vertically runs through the center is all seted up in the top four corners of center, four protective sleeve pads of the equal four groups of fixedly connected with in top and the bottom of center, every two sets of adjacent protective sleeve pads are located the top and the bottom of a set of screw hole respectively, and the internal diameter of protective sleeve pad is greater than the diameter of screw hole, and four groups of protective sleeve pads that are located the center bottom all contact with the frame top.

(III) advantageous effects

Compared with the prior art, the invention provides a three-proofing adhesive coating protection device which has the following beneficial effects:

1. this three proofings is glued and is coated protection device, through being provided with the footstock, and the cooperation of locating plate and PCB board in the footstock, make the locating plate can fix a position fixed three proofings glue when coating and the interval between the PCB board, the mode that blocks through the hard makes the gluey coating of three proofings comparatively accurate, through the cooperation that capillary and PCB board top three proofings were glued, make the capillary can promote the gluey flow of three proofings through capillary action, improved the homogeneity that PCB board surface three proofings glued the coating, and make PCB board surface protecting effect higher.

2. This protection device is glued in three proofings, through being provided with the protection piece, and the protection piece top has been seted up trepanning and its inboard sleeve and has been passed by PCB board surface contact pin, make the device more easily convenient and fast carry out the shade protection to PCB board surface contact pin, avoid dripping on PCB surface contact pin when the three proofings of coating are glued, and reduced the use of disposable protection label, through the cooperation of extension groove and extension post, make the buckling board can align and pile up, make the protection piece can be applicable to the not contact pin of co-altitude, the suitability of protection piece has been improved.

3. This coating protection device is glued to three proofings through being provided with the shutoff piece to and the cooperation of middle piece and PCB surface through-hole in the shutoff piece, make the middle piece can be with the PCB surface through hiding, with the through-hole jam when avoiding coating three proofings to glue, and reduced the use of disposable protection sticky tape, be provided with the hair stria through the apron bottom, make the shutoff piece can improve the flow that its near three proofings were glued, improved the result of use of device.

4. This three proofings is glued and is coated protection device, through being provided with the base, and the cooperation of base top backing plate and absorption pad and PCB board, make the backing plate hold up comparatively steadily to the support of PCB board, and make the absorption pad can absorb the three proofings that the part spills over and glue, it glues remaining and adhering to in the device to reduce three proofings, the convenience of device clearance has been improved, through the cooperation of well interior protective sleeve pad and footstock, make the protective sleeve pad can support the pad to the fixed plate that contacts with it, reduce the friction fish tail between footstock and the well seat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 and FIG. 3 are schematic views of the base structure of the present invention;

FIG. 4 is a schematic view of the present invention;

FIG. 5 is a schematic view of the top seat structure of the present invention;

FIGS. 6 and 7 are schematic views of the protective element of the present invention;

fig. 8 is a schematic view of the closure of the present invention.

In the figure: 1. a base; 101. a frame; 102. an absorbent pad; 103. a base plate; 2. a middle seat; 201. a middle frame; 202. a protective sleeve pad; 3. a top seat; 301. a guide frame; 302. positioning a plate; 303. a dam enclosing groove; 304. a locking groove; 305. a capillary tube; 306. adding a groove; 307. a fixing plate; 308. a fixing groove; 4. a guard; 401. buckling the plate; 402. an extension groove; 403. extending the column; 404. trepanning; 405. a sleeve; 5. a blocking piece; 501. a cover plate; 502. a middle block; 503. a capillary groove; 504. and (4) inserting a shaft.

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.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a three proofings are glued and are coated protection device, including base 1, well seat 2 has been placed at base 1's top, footstock 3 has been placed to well seat 2's inboard, the bottom of footstock 3 contacts with base 1's top, and the top of footstock 3 stretches out to well seat 2 tops, pass through the fix with screw between footstock 3 and the well seat 2, a plurality of groups PCB board are placed to base 1 upper surface, and well seat 2 is located the top of PCB board, the top contact pin upper shield of PCB board is equipped with protection piece 4, it has shutoff piece 5 to peg graft in the PCB board top through-hole, protection piece 4 and shutoff piece 5 all pass well seat 2, and then make the device can place and protect the PCB board when coating three proofings and glue to the PCB board, and can guide the gluey coating area of three proofings.

Specifically, in order to improve the cleaning convenience of the device, the base 1 comprises a frame 101, an absorption pad 102 is clamped in the middle of the frame 101, the bottom of the absorption pad 102 is coplanar with the bottom of the frame 101, and the top of the absorbent pad 102 is lower than the top of the frame 101, the absorbent pad 102 is an elastic fiber pad, and the length and width of the absorbent pad 102 are respectively matched with those of the cavity of the middle seat 2, so that the absorption pad 102 can absorb part of overflowing three-proofing glue, the residue and the attachment of the three-proofing glue in the device are reduced, a plurality of groups of backing plates 103 are bonded on the upper surface of the absorption pad 102, the backing plates 103 are metal plates, the shape and the size of the backing plate 103 are respectively matched with those of a PCB, the PCB is placed on the upper surface of the backing plate 103, through the base 1, the base plate 103 on the top of the base 1, the absorption pad 102 and the PCB are matched, so that the PCB can be stably supported by the base plate 103.

Specifically, in order to fix the top seat 3, the middle seat 2 includes a middle frame 201, the middle frame 201 is a rectangular ring structure, four corners of the top of the middle frame 201 are respectively provided with a threaded hole longitudinally penetrating through the middle frame 201, four sets of protective sleeve pads 202 are fixedly connected to the top and the bottom of the middle frame 201, each two sets of adjacent protective sleeve pads 202 are respectively located at the top and the bottom of one set of threaded holes, the inner diameter of each protective sleeve pad 202 is larger than the diameter of the threaded hole, the four sets of protective sleeve pads 202 located at the bottom of the middle frame 201 are all contacted with the top of the frame 101, through the cooperation of the protective sleeve pads 202 in the middle seat 2 and the top seat 3, the protective sleeve pads 202 can support the fixing plate 307 contacted with the protective sleeve pads, the friction scratch between the top seat 3 and the middle seat 2 is reduced, a user can use screws to pass through the top seat 3 and be locked with the threaded holes, and only different top seats 3 need to be replaced for different PCB plates, the middle seat 2 can be reused.

Specifically, in order to make the coating effect of the three-proofing adhesive on the surface of the PCB better, the top seat 3 comprises a guide frame 301, the guide frame 301 extends into the inner side of the middle frame 201, the top of the guide frame 301 is fixedly connected with the inner side of a fixing plate 307, the fixing plate 307 is positioned above the middle frame 201, the lower surface of the fixing plate 307 is contacted with the adjacent protective sleeve pad 202, four corners of the top of the fixing plate 307 are respectively provided with fixing grooves 308, four groups of fixing grooves 308 are respectively positioned right above four groups of threaded holes on the top of the middle frame 201, the middle part of the guide frame 301 is fixedly connected with the outer side of the positioning plate 302, the positioning plate 302 in the top seat 3 is matched with the PCB, so that the positioning plate 302 can position and fix the distance between the positioning plate 302 and the PCB when the three-proofing adhesive is coated, the coating of the three-proofing adhesive is more accurate by a hard blocking mode, the top of the positioning plate 302 is provided with a plurality of surrounding dam grooves 303 and locking grooves 304, dam groove 303 is located the PCB board directly over, the middle part fixed connection of the top of locating plate 302 and capillary 305 lateral wall, guide frame 301's bottom is passed to capillary 305's bottom, through the gluey cooperation of capillary 305 and PCB board top three proofings, make capillary 305 can promote the gluey flow of three proofings through capillary, PCB board surface three proofings glue coated homogeneity has been improved, and make PCB board surface protecting effect higher, the multiunit has been seted up at guide frame 301's top and has been added groove 306, the multiunit adds groove 306 and distributes between a plurality of groups dam groove 303, the user can carry out extra manual gluey operation of mending through adding groove 306.

Specifically, in order to avoid dripping on the surface pin of the PCB when the three-proofing adhesive is coated, the protection member 4 comprises a buckling plate 401, an extension column 403 is fixedly connected to the outer side of the top of the buckling plate 401, an extension groove 402 is arranged right below the extension column 403, the extension groove 402 is arranged at the bottom of the buckling plate 401, a sleeve hole 404 is formed in the middle of the buckling plate 401, a sleeve 405 is inserted into the sleeve hole 404, through the matching of the extension groove 402 and the extension column 403, the buckling plate 401 can be aligned and stacked, the protection member 4 can be suitable for pins with different heights, the applicability of the protection member 4 is improved, the sleeve 405 is a rubber hose and can protect the surface pin of the PCB, the collision and bending of the pin is reduced, the top pin of the PCB passes through the sleeve 405, the bottom of the buckling plate 401 is in contact with the upper surface of the PCB, the protection member 4 is arranged, the sleeve hole 404 is formed in the top of the protection member 4, and the inner side sleeve 405 passes through the surface of the PCB, make the device more easily convenient and fast carry out the shade protection to PCB board surface contact pin, avoid dripping on PCB surface contact pin when coating three proofings is glued, and reduced the use of disposable protection label.

Specifically, in order to avoid blocking up the through-hole when gluing with three proofings in the coating, shutoff piece 5 includes apron 501, the top inner wall of apron 501 and the top fixed connection of middle piece 502, the clearance between the middle piece 502 outside and the apron 501 inner chamber encloses into capillary 503, be provided with capillary 503 through apron 501 bottom, make shutoff piece 5 can improve the flow of its nearby three proofings glue, the bottom of middle piece 502 and the top fixed connection of inserting axle 504, the bottom of inserting axle 504 inserts in the through-hole of PCB board, and the bottom of apron 501 contacts with PCB board upper surface, through being provided with shutoff piece 5, and the cooperation of middle piece 502 and PCB surperficial through-hole in the shutoff piece 5, make middle piece 502 can pass through the PCB surface and cover, and the use of disposable protection sticky tape has been reduced.

The working principle is as follows: the user places the PCB board on the pad plate 103, then inserts the guide frame 301 into the middle frame 201, and the fixing plate 307 is placed on the positioning plate 302, and the surface dam groove 303 of the positioning plate 302 is aligned with the PCB board, then, the fixing plate 307 is locked and fixed with the middle frame 201 by using a screw, and is locked and fixed with the screw hole of the surface of the PCB board by using a screw passing through the locking groove 304, then, the user conveniently places the fastening plate 401 and the cover plate 501 on the top of the PCB, and inserts the pins into the sleeve 405 according to the pins and the through holes on the surface of the PCB, the inserting shaft 504 passes through the surface of the PCB board, the protection mask processing on the surface of the PCB board is finished, and the three-proofing glue can be injected into the device, through the capillary action of the capillary tube 305 and the capillary groove 503, the three-proofing glue can rise into the inner cavity of the capillary tube 305 and the capillary groove 503, and the device can protect the PCB where the three-proofing glue is not required to be coated.

In conclusion, the three-proofing adhesive coating protection device has the advantages that the top seat 3 is arranged, the positioning plate 302 in the top seat 3 is matched with the PCB, so that the positioning plate 302 can position and fix the distance between the positioning plate and the PCB when the three-proofing adhesive is coated, the three-proofing adhesive is accurately coated in a hard body blocking mode, the capillary tube 305 is matched with the three-proofing adhesive on the top of the PCB, so that the capillary tube 305 can promote the flow of the three-proofing adhesive through the capillary action, the coating uniformity of the three-proofing adhesive on the surface of the PCB is improved, the surface protection effect of the PCB is higher, the protection piece 4 is arranged, the sleeve hole 404 is formed in the top of the protection piece 4 and the sleeve 405 on the top of the protection piece 4 is penetrated by the surface pin of the PCB, the device can easily, conveniently and quickly shield the surface pin of the PCB to be protected, the phenomenon that the three-proofing adhesive is dripped onto the surface pin of the PCB when the three-proofing adhesive is coated is avoided, and the use of a disposable protection label is reduced, the buckling plates 401 can be aligned and stacked through the matching of the extension grooves 402 and the extension columns 403, so that the protection part 4 can be suitable for pins with different heights, the applicability of the protection part 4 is improved, the middle block 502 can cover the surface of the PCB through the arrangement of the plugging part 5 and the matching of the middle block 502 in the plugging part 5 and the through hole on the surface of the PCB, the through hole is prevented from being blocked when the three-proof glue is coated, the use of the disposable protection adhesive tape is reduced, the flow of the three-proof glue nearby the plugging part 5 can be improved through the arrangement of the capillary grooves 503 on the bottom of the cover plate 501, the use effect of the device is improved, the support of the base plate 103 on the PCB is more stable through the arrangement of the base 1 and the matching of the base plate 103 on the top of the base plate 1 and the absorption pad 102 with the PCB, the absorption pad 102 can absorb the partially overflowed three-proof glue, and the residue and adhesion of the three-proof glue in the device are reduced, the convenience of device clearance has been improved, through the cooperation of well seat 2 interior protective sleeve pad 202 and footstock 3 for protective sleeve pad 202 can hold in the palm the pad to the fixed plate 307 that contacts with it, reduces the friction fish tail between footstock 3 and well seat 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three proofings are glued and are coated protection device, includes base (1), its characterized in that: the middle seat (2) is placed at the top of the base (1), the top seat (3) is placed on the inner side of the middle seat (2), the middle seat (2) comprises a middle frame (201) and a protective sleeve pad (202), the top seat (3) comprises a guide frame (301), the guide frame (301) extends into the inner side of the middle frame (201), the top of the guide frame (301) is fixedly connected with the inner side of a fixing plate (307), the fixing plate (307) is positioned above the middle frame (201), the lower surface of the fixing plate (307) is in contact with the adjacent protective sleeve pad (202), fixing grooves (308) are formed in four corners of the top of the fixing plate (307), the four groups of fixing grooves (308) are respectively positioned right above four groups of threaded holes in the top of the middle frame (201), the middle of the guide frame (301) is fixedly connected with the outer side of the positioning plate (302), a plurality of groups of dam enclosing grooves (303) and locking grooves (304) are formed in the top of the positioning plate (302), the box dam comprises a box dam body, a box dam base, a box dam, a top cover, a middle cover, a top cover, a bottom cover, a top cover, a middle cover, a bottom cover, a top base, a middle base, a bottom cover, a guard piece (4), a buckling plate (401), a plurality of groups of PCB boards, a plurality of groups of extending columns (403) and a plurality of groups of extending columns (401), wherein the box dam base (303) is arranged on the top cover, the box dam base (301) is arranged on the bottom cover, the top cover is provided with a plurality of groups of adding grooves (306), the groups of adding grooves (306) are distributed among the box dam grooves (303), the bottom end of the capillary (305) penetrates through the bottom cover of the guide frame (301), the top cover of the guide frame (301) is provided with a plurality of groups of adding grooves (306), the top cover grooves (306) which are arranged on the top cover, the top cover) are arranged on the top cover, the middle base (2), the top cover (3) and fixed through screws, the base (1) and the middle base (2) is arranged on the top cover), an extension groove (402) is arranged right below the extension column (403), the extension groove (402) is arranged at the bottom of the buckling plate (401), a sleeve hole (404) is formed in the middle of the buckling plate (401), a sleeve pipe (405) is inserted in the sleeve hole (404), a contact pin at the top of the PCB penetrates through the sleeve pipe (405), the bottom of the buckling plate (401) is in contact with the upper surface of the PCB, a plugging piece (5) is inserted in the through hole at the top of the PCB, the plugging piece (5) comprises a cover plate (501), the inner wall of the top of the cover plate (501) is fixedly connected with the top of the middle block (502), a capillary groove (503) is formed by enclosing a gap between the outer side of the middle block (502) and the inner cavity of the cover plate (501), the bottom of the middle block (502) is fixedly connected with the top of the insertion shaft (504), the bottom of the insertion shaft (504) is inserted in the through hole of the PCB, and the bottom of the cover plate (501) is in contact with the upper surface of the PCB, the protection part (4) and the plugging part (5) penetrate through the middle seat (2).

2. The three-proofing adhesive coating protection device according to claim 1, characterized in that: the base (1) comprises a frame (101), an absorption pad (102) is clamped in the middle of the frame (101), the bottom of the absorption pad (102) is coplanar with the bottom of the frame (101), the top of the absorption pad (102) is lower than the top of the frame (101), a plurality of groups of base plates (103) are bonded on the upper surface of the absorption pad (102), and a PCB is placed on the upper surface of each base plate (103).

3. The three-proofing adhesive coating protection device according to claim 2, characterized in that: the base plate (103) is a metal plate, the shape and the size of the base plate (103) are matched with those of a PCB respectively, the absorption pad (102) is an elastic fiber pad, and the length and the width of the absorption pad (102) are matched with those of the inner cavity of the middle seat (2) respectively.

4. The three-proofing adhesive coating protection device according to claim 2, characterized in that: well seat (2) include center (201), center (201) are rectangle annular structure, and the screw hole that vertically runs through center (201) is all seted up in the top four corners of center (201), the equal four protective sleeve pad of group (202) of the equal fixedly connected with in top and the bottom of center (201), every two sets of adjacent protective sleeve pad (202) are located the top and the bottom of a set of screw hole respectively, and the internal diameter of protective sleeve pad (202) is greater than the diameter of screw hole, and four protective sleeve pad of group (202) that are located center (201) bottom all contact with frame (101) top.