CN220156748U

CN220156748U - Surface bonding jig

Info

Publication number: CN220156748U
Application number: CN202321041834.8U
Authority: CN
Inventors: 张涛; 赵亚磊; 刘子强
Original assignee: Wuhan Xinhao Photoelectric Technology Co ltd
Current assignee: Wuhan Xinhao Photoelectric Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-12-08
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to a surface bonding jig, which comprises a base, wherein the upper end of the base is hinged with a tin passing plate, the upper surface of the tin passing plate is provided with a tin scraping mechanism, a deslagging mechanism is arranged in the base, the deslagging mechanism is positioned below the tin passing plate, the upper surface of the tin passing plate is uniformly and fixedly connected with a limiting mechanism, the top end of the uniformly arranged limiting mechanism is slidably connected with a cleaning mechanism, the upper surface of the cleaning mechanism is fixedly connected with a handle, the cleaning mechanism comprises a first rectangular plate which is slidably connected with the outer wall of the limiting mechanism, and the first rectangular plate is positioned above the tin passing plate; the utility model relates to the technical field of bonding jigs. When the surface bonding jig is used, the slag removing mechanism is started to scrape off the redundant solder paste attached to the lower surface of the tin plate, the cleaning mechanism is controlled to move downwards through the handle, so that the cleaning column part of the cleaning mechanism penetrates through the tin plate to clean, and the situation that the solder paste in the tin plate is inconvenient to clean due to the fact that part of the solder paste is remained in the tin plate is avoided as much as possible.

Description

Surface bonding jig

Technical Field

The utility model relates to the technical field of bonding jigs, in particular to a surface bonding jig.

Background

SMT is a surface mount technology, known as surface mount or surface mount technology, which is one of the most popular technologies and techniques in the electronics assembly industry. In the surface bonding process of the SMT PCB, in order to accelerate bonding efficiency, a surface bonding jig is used, and a part, which needs bonding, of the solder paste can be led in by utilizing a solder passing hole on the surface bonding jig. However, after the jig is used, part of solder paste remains on the jig, and the jig is not cleaned in time, so that the subsequent continuous use of the jig can be influenced.

The utility model with the bulletin number of CN206869265U discloses an SMT surface bonding jig which comprises a steel plate layer, a silicon dioxide layer and a fluorine film layer; the upper and lower surfaces of the steel plate layer are penetrated and formed with first tin through holes; the silicon dioxide layer is adhered to the lower surface of the steel plate layer, and the upper surface and the lower surface of the silicon dioxide layer are penetrated to form second tin through holes which are communicated with the first tin through holes; the fluorine film layer is adhered to the lower surface of the silicon dioxide layer, and third tin through holes are formed in the upper surface and the lower surface of the fluorine film layer in a penetrating mode, and the third tin through holes are communicated with the second tin through holes in a positive mode. The fluorine film layer is firmly adhered to the lower surface of the steel plate layer by utilizing the silicon dioxide layer, and the characteristic that the fluorine film layer is not adhered to tin liquor is matched, so that any tin slag cannot be left on the bottom surface of the jig when one operation is completed, the next operation can be performed without any cleaning, and convenience is brought to the operation of the SMT surface adhesion jig.

When the technical scheme is used, the fluorine film layer is firmly adhered to the lower surface of the steel plate layer by utilizing the silicon dioxide layer and the characteristic that the fluorine film layer is not adhered to tin liquor is matched, so that any tin slag cannot be left on the bottom surface of the jig when the operation is finished once, but partial tin paste possibly remains in the tin passing hole when the tin paste passes through the tin passing hole formed in the steel plate layer during the use of the scheme, and the tin paste located in the tin passing hole is possibly inconvenient to clean and is not beneficial to actual use.

Disclosure of Invention

In order to solve the problem that partial solder paste possibly remains in the through-tin holes when the solder paste passes through the through-tin holes formed in the steel plate layer, and the solder paste in the through-tin holes is possibly inconvenient to clean and is unfavorable for practical use, the utility model provides a surface bonding jig.

The surface bonding jig provided by the utility model adopts the following technical scheme:

the utility model provides a surface bonding tool, includes the base, the upper end of base articulates there is the tin plate, the upper surface of tin plate is provided with the tin scraping mechanism, the inside of base is provided with slag removal mechanism, slag removal mechanism is located the below of tin plate, the even fixedly connected with stop gear of upper surface of tin plate, the even top sliding connection of stop gear has clean mechanism, clean mechanism's upper surface fixedly connected with handle, clean mechanism includes sliding connection is in the first rectangular plate of stop gear outer wall, first rectangular plate is located the top of tin plate, the lower fixed surface of first rectangular plate is connected with the bulge, the even fixedly connected with cleaning column of lower surface of bulge.

Through adopting above-mentioned technical scheme, tin scraping mechanism can be with scraping the tin cream of placing at the tin plate upper surface at the start-up, make partial tin cream can pass the tin plate and adhere to the PCB board, thereby be convenient for bond the PCB board, slag removal mechanism can scrape down at the unnecessary tin cream of tin plate lower surface to adhering to when starting, can be convenient for personnel control clean mechanism move down through the handle, clean post position of clean mechanism passes the inside of tin plate, can carry out certain cleanness to the inside of tin plate, avoid appearing because of partial tin cream remains in the tin plate inside, and lead to the inconvenient condition of clearing up of tin cream of tin plate inside.

Preferably, the base comprises a second rectangular plate, the upper surface fixedly connected with of second rectangular plate connects the otic placode, connect the otic placode to keep away from the one end of second rectangular plate with the one end of crossing the tin plate articulates each other, the upper surface symmetry fixedly connected with support bar of second rectangular plate, the upper surface of support bar with the lower surface looks butt of crossing the tin plate.

Through adopting above-mentioned technical scheme, the hookup ear board can restrict the mounted position of crossing the tin board, and the support bar of symmetry setting can play certain supporting role to crossing the tin board when crossing the tin board folding.

Preferably, the tin plate comprises a rectangular steel plate hinged to one end of the connecting lug plate, tin passing holes penetrating through the rectangular steel plate are uniformly formed in the rectangular steel plate, the tin passing holes are located below the cleaning column, and the inner diameter of the tin passing holes is matched with the outer diameter of the cleaning column.

Through adopting above-mentioned technical scheme, when tin through hole smears the tin cream in rectangle steel sheet top, make partial tin cream can pass on the tin Kong Nianfu to the PCB board, and when clean post moves down, can pass the tin through hole and clean inside tin cream.

Preferably, the tin scraping mechanism comprises a mounting bar which is symmetrically and fixedly connected with the upper surface of the rectangular steel plate, one side of the mounting bar is fixedly connected with a first motor, the output end of the first motor penetrates through the mounting bar and is fixedly connected with a first threaded rod, a first guide rod is symmetrically arranged between the mounting bars and is oppositely arranged, the outer wall of the first threaded rod is in threaded connection with a first scraping bar, one end of the first threaded rod, which is far away from the first threaded rod, is in sliding connection with the outer wall of the first guide rod, and the lower surface of the first scraping bar is in butt joint with the upper surface of the rectangular steel plate.

Through adopting above-mentioned technical scheme, start first motor can drive first threaded rod and rotate, under the spacing of first guide arm when first threaded rod rotates, can control first scraping strip and remove and scrape the wiping to the solder paste.

Preferably, the slag removing mechanism comprises a second motor fixedly connected with the inside of the supporting bar, the output end of the second motor is fixedly connected with a second threaded rod, the outer wall of the second threaded rod is connected with a second scraping bar through bolts, the upper surface of the second scraping bar is in butt joint with the lower surface of the rectangular steel plate, one end of the second threaded rod, far away from the second scraping bar, is slidably connected with a second guide rod, and two ends of the second guide rod are respectively fixedly connected with one side of the supporting bar, which is symmetrically arranged.

Through adopting above-mentioned technical scheme, start the second motor and can drive the second threaded rod and rotate, under the spacing of second guide arm when the second threaded rod rotates, can control the second to scrape the strip and remove the tin dross that adheres to the rectangle steel sheet lower surface.

Preferably, the limiting mechanism comprises a limiting rod fixedly connected to the upper surface of the rectangular steel plate, a spring is movably inserted into the outer wall of the limiting rod, the spring is supported between the second rectangular plate and the cleaning mechanism, and the top end of the limiting rod penetrates through the cleaning mechanism and is fixedly connected with a limiting circular plate.

Through adopting above-mentioned technical scheme, the gag lever post can restrict the sliding position of rectangle steel sheet, and the spring can restrict the position of rectangle steel sheet when no external force, and the condition that the rectangle steel sheet appears droing can be avoided as far as possible to the spacing plectane.

In summary, the utility model has the following beneficial technical effects:

1. according to the surface bonding jig, the tin scraping mechanism can be started to scrape the tin paste placed on the upper surface of the tin passing plate, so that part of the tin paste can penetrate through the tin passing plate and adhere to the PCB, bonding is facilitated to the PCB, when the deslagging mechanism is started, the surplus tin paste adhered to the lower surface of the tin passing plate can be scraped down, a certain cleaning effect is achieved, a handle can facilitate personnel to control the cleaning mechanism to move downwards, when the cleaning mechanism moves downwards, the cleaning column part of the cleaning mechanism can penetrate through the inside of the tin passing plate, a certain cleaning can be conducted to the inside of the tin passing plate, and the situation that the tin paste inside the tin passing plate is inconvenient to clean due to the fact that part of the tin paste remains inside the tin passing plate is avoided as much as possible;

2. according to the surface bonding jig, the arranged connecting lug plates can limit the installation position of the tin passing plate, the supporting bars can play a certain supporting role on the tin passing plate when the tin passing plate is folded, when tin passing holes smear tin paste above the rectangular steel plate, part of the tin paste can pass through tin passing Kong Nianfu to the PCB, and when the cleaning column moves downwards, the tin paste in the tin passing holes can be cleaned;

3. this surface bonding tool, the installation position that the installation strip that the symmetry set up can restrict first motor, first threaded rod and first guide arm, starts first motor and can drive first threaded rod and rotate, and when first threaded rod pivoted, under the spacing of first guide arm, can control first scraping the strip and remove and scrape the wiping to the solder paste, start the second motor and can drive the second threaded rod and rotate, when the second threaded rod pivoted, can control the second scraping the strip and remove the tin dross that adheres to at rectangular steel sheet lower surface under the spacing of second guide arm.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to an embodiment of the present utility model;

fig. 4 is a schematic view of the structure of a tin plate according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a base; 101. a second rectangular plate; 102. connecting an ear plate; 103. a support bar; 2. a tin plate; 201. a rectangular steel plate; 202. a tin hole; 3. a tin scraping mechanism; 301. a mounting bar; 302. a first motor; 303. a first threaded rod; 304. a first guide bar; 305. a first scraping strip; 4. a deslagging mechanism; 401. a second motor; 402. a second threaded rod; 403. a second scraping strip; 404. a second guide bar; 5. a limiting mechanism; 501. a limit rod; 502. a spring; 503. a limit circular plate; 6. a cleaning mechanism; 601. a first rectangular plate; 602. a protruding portion; 603. cleaning the column; 7. a handle.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a surface bonding jig. Referring to fig. 1 and 2, this surface bonding tool, including base 1, the upper end of base 1 articulates there is tin plate 2, the upper surface of tin plate 2 is provided with and scrapes tin mechanism 3, the inside of base 1 is provided with slag removal mechanism 4, slag removal mechanism 4 is located the below of tin plate 2, the upper surface of tin plate 2 evenly fixedly connected with stop gear 5, the top sliding connection of the stop gear 5 of evenly setting has clean mechanism 6, the upper surface fixedly connected with handle 7 of clean mechanism 6, clean mechanism 6 includes sliding connection at the first rectangular plate 601 of stop gear 5 outer wall, first rectangular plate 601 is located the top of tin plate 2, the lower surface fixedly connected with bulge 602 of first rectangular plate 601, the even fixedly connected with cleaning post 603 of lower surface of bulge 602.

In this embodiment, the inside base 1 that sets up in this surface bonding tool is arranged in and is placed the PCB board, simultaneously also can restrict the mounted position of crossing tin plate 2, and cross and be articulated between tin plate 2 and the base 1, thereby make cross tin plate 2 and turn over as required, be convenient for personnel to get and put the PCB board that is located base 1 position, scrape tin mechanism 3 and can place the tin cream of crossing tin plate 2 upper surface with scraping at the start, make partial tin cream can pass tin plate 2 and adhere to the PCB board, thereby be convenient for bond the PCB board, slag removal mechanism 4 is when starting, can scrape down the unnecessary tin cream of adhering to tin plate 2 lower surface, thereby can play certain cleaning action, the mounted position of clean mechanism 6 can be restricted to spacing mechanism 5 that evenly set up, handle 7 can be convenient for personnel to control clean mechanism 6 and move down, when clean mechanism 6 moves down, clean post 603 position of clean mechanism 6 can pass the inside of crossing tin plate 2, thereby can carry out certain cleanness to the inside crossing tin plate 2, the inside because of partial tin paste is crossed in the inside 2, the utility model is avoided causing the condition that the tin paste is unfavorable to clean up to the inside because of the tin plate 2 appears as far as possible.

In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, the base 1 includes a second rectangular plate 101, a connection lug plate 102 is fixedly connected to an upper surface of the second rectangular plate 101, one end of the connection lug plate 102 away from the second rectangular plate 101 is hinged to one end of the tin passing plate 2, support bars 103 are symmetrically and fixedly connected to an upper surface of the second rectangular plate 101, and an upper surface of the support bars 103 is abutted to a lower surface of the tin passing plate 2.

In this embodiment, the second rectangular plate 101 is used for placing or fixing a PCB board, the connecting ear plate 102 can limit the installation position of the tin plate 2, and the supporting bars 103 symmetrically arranged can play a certain supporting role on the tin plate 2 when the tin plate 2 is folded.

In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, the tin-passing plate 2 includes a rectangular steel plate 201 hinged to one end of the connection lug plate 102, and tin-passing holes 202 penetrating the rectangular steel plate 201 are uniformly formed in the rectangular steel plate 201, and the tin-passing holes 202 are located below the cleaning columns 603, and the inner diameter of the tin-passing holes 202 is matched with the outer diameter of the cleaning columns 603.

In this embodiment, when the uniformly opened solder vias 202 smear solder paste over the rectangular steel plate 201, a part of solder paste can adhere to the PCB board through the solder vias 202, and when the cleaning column 603 moves down, the solder paste in the interior can be cleaned through the solder vias 202.

In a further preferred embodiment of the present utility model, as shown in fig. 1, 2 and 3, the limiting mechanism 5 includes a limiting rod 501 fixedly connected to the upper surface of the rectangular steel plate 201, a spring 502 is movably inserted into the outer wall of the limiting rod 501, the spring 502 is supported between the second rectangular plate 101 and the cleaning mechanism 6, and a limiting circular plate 503 is fixedly connected to the top end of the limiting rod 501 penetrating through the cleaning mechanism 6.

In this embodiment, the limit lever 501 is provided to limit the sliding position of the rectangular steel plate 201, and the spring 502 can limit the position of the rectangular steel plate 201 when no external force is applied, so that the limit disk 503 can avoid the rectangular steel plate 201 from falling off as much as possible.

In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, the tin scraping mechanism 3 includes a mounting bar 301 symmetrically and fixedly connected to the upper surface of the rectangular steel plate 201, one side of the symmetrically arranged mounting bar 301 is fixedly connected with a first motor 302, an output end of the first motor 302 is fixedly connected with a first threaded rod 303 penetrating through the mounting bar 301, a first guide rod 304 is fixedly connected between the symmetrically arranged mounting bars 301, the first guide rod 304 is opposite to the first threaded rod 303, an outer wall of the first threaded rod 303 is in threaded connection with a first scraping bar 305, one end of the first scraping bar 305 away from the first threaded rod 303 is in sliding connection with an outer wall of the first guide rod 304, and a lower surface of the first scraping bar 305 is abutted against the upper surface of the rectangular steel plate 201.

In this embodiment, the symmetrically arranged mounting bars 301 can limit the mounting positions of the first motor 302, the first threaded rod 303 and the first guide rod 304, the first motor 302 is started to drive the first threaded rod 303 to rotate, and the first scraping bar 305 can be controlled to move to scrape solder paste while the first threaded rod 303 rotates and is limited by the first guide rod 304.

In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, the deslagging mechanism 4 comprises a second motor 401 fixedly connected to the inside of the supporting bar 103, the output end of the second motor 401 is fixedly connected with a second threaded rod 402, the outer wall of the second threaded rod 402 is connected with a second scraping bar 403 through bolts, the upper surface of the second scraping bar 403 is abutted against the lower surface of the rectangular steel plate 201, one end of the second scraping bar 403 away from the second threaded rod 402 is slidably connected with a second guide rod 404, and two ends of the second guide rod 404 are respectively fixedly connected with one side of the supporting bar 103 which is symmetrically arranged.

In this embodiment, the second motor 401 is started to drive the second threaded rod 402 to rotate, and the second scraping bar 403 can be controlled to move to remove tin dross attached to the lower surface of the rectangular steel plate 201 under the limit of the second guide rod 404 while the second threaded rod 402 rotates.

The implementation principle of the surface bonding jig of the embodiment of the utility model is as follows:

when the tin plate cleaning device is used, a PCB to be bonded is placed on the lower surface of the tin plate 2, tin paste used for bonding is placed on the upper surface of the tin plate 2, the tin scraping mechanism 3 is started to scrape the tin paste so that part of the tin paste can pass through the tin plate 2 and adhere to the PCB, so that the PCB can be bonded, the PCB is bonded and taken out, the slag removing mechanism 4 is started to scrape off the excessive tin paste adhered to the lower surface of the tin plate 2, a certain cleaning effect can be achieved, a person can control the cleaning mechanism 6 to move downwards through the handle 7, the cleaning column 603 part of the cleaning mechanism 6 passes through the interior of the tin plate 2, and the interior of the tin plate 2 is cleaned to a certain extent, so that the situation that the tin paste in the tin plate 2 is inconvenient to clean due to the fact that part of the tin paste remains in the tin plate 2 is avoided as much as possible, and the tin plate cleaning device is more beneficial to practical use.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Surface bonding tool, including base (1), its characterized in that: the novel tin plate cleaning device is characterized in that the upper end of the base (1) is hinged with a tin passing plate (2), a tin scraping mechanism (3) is arranged on the upper surface of the tin passing plate (2), a slag removing mechanism (4) is arranged in the base (1), the slag removing mechanism (4) is located below the tin passing plate (2), a limiting mechanism (5) is uniformly and fixedly connected to the upper surface of the tin passing plate (2), a cleaning mechanism (6) is slidably connected to the top end of the uniformly arranged limiting mechanism (5), and a handle (7) is fixedly connected to the upper surface of the cleaning mechanism (6);

the cleaning mechanism (6) comprises a first rectangular plate (601) which is slidably connected with the outer wall of the limiting mechanism (5), the first rectangular plate (601) is located above the tin passing plate (2), a protruding portion (602) is fixedly connected to the lower surface of the first rectangular plate (601), and a cleaning column (603) is uniformly and fixedly connected to the lower surface of the protruding portion (602).

2. The surface bonding jig according to claim 1, wherein: the base (1) comprises a second rectangular plate (101), the upper surface of the second rectangular plate (101) is fixedly connected with a connecting lug plate (102), one end of the second rectangular plate (101) away from the connecting lug plate (102) is hinged with one end of the tin passing plate (2) mutually, support bars (103) are symmetrically and fixedly connected with the upper surface of the second rectangular plate (101), and the upper surfaces of the support bars (103) are in butt joint with the lower surface of the tin passing plate (2).

3. The surface bonding jig according to claim 2, wherein: the tin passing plate (2) comprises a rectangular steel plate (201) hinged to one end of the connecting lug plate (102), tin passing holes (202) penetrating through the rectangular steel plate (201) are uniformly formed in the rectangular steel plate (201), the tin passing holes (202) are located below the cleaning columns (603), and the inner diameters of the tin passing holes (202) are matched with the outer diameters of the cleaning columns (603).

4. The surface bonding jig according to claim 3, wherein: tin scraping mechanism (3) are in including symmetry fixed connection installation strip (301) of rectangle steel sheet (201) upper surface, one side fixedly connected with first motor (302) of installation strip (301) of symmetry setting, the output of first motor (302) runs through installation strip (301) fixedly connected with first threaded rod (303), symmetry setting between installation strip (301) fixedly connected with first guide arm (304), first guide arm (304) with first threaded rod (303) set up relatively, the outer wall threaded connection of first threaded rod (303) has first scraping strip (305), one end that first threaded rod (303) were kept away from with the outer wall sliding connection of first guide arm (304), the lower surface of first scraping strip (305) with the upper surface looks butt of rectangle steel sheet (201).

5. The surface bonding jig according to claim 3, wherein: the slag removal mechanism (4) comprises a second motor (401) fixedly connected to the inside of the supporting bar (103), a second threaded rod (402) is fixedly connected to the output end of the second motor (401), a second scraping bar (403) is connected to the outer wall of the second threaded rod (402) through bolts, the upper surface of the second scraping bar (403) is abutted to the lower surface of the rectangular steel plate (201), one end of the second threaded rod (402) is slidingly connected with a second guide rod (404) away from the second scraping bar (403), and two ends of the second guide rod (404) are respectively fixedly connected with one side of the supporting bar (103) which is symmetrically arranged.

6. The surface bonding jig according to claim 3, wherein: stop gear (5) are including fixed connection stop lever (501) of rectangle steel sheet (201) upper surface, the outer wall activity of stop lever (501) is pegged graft and is had spring (502), spring (502) support in between second rectangular plate (101) with clean mechanism (6), the top of stop lever (501) runs through clean mechanism (6) fixedly connected with spacing plectane (503).