CN215421485U - Manual pasting, positioning and correcting jig for large-size core plate - Google Patents

Manual pasting, positioning and correcting jig for large-size core plate Download PDF

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Publication number
CN215421485U
CN215421485U CN202121608819.8U CN202121608819U CN215421485U CN 215421485 U CN215421485 U CN 215421485U CN 202121608819 U CN202121608819 U CN 202121608819U CN 215421485 U CN215421485 U CN 215421485U
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positioning
main body
frame
shaped
groove
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CN202121608819.8U
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Chinese (zh)
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王亭
吴坤
朱豫
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Xiangyang Donghe Electronic Technology Co ltd
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Xiangyang Donghe Electronic Technology Co ltd
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Abstract

A large-size core plate manual mounting positioning correction jig is characterized in that the shape of a hollow part of a frame-shaped main body is matched with the shape of a core plate; the lower end surface of the frame-shaped main body is provided with a tin-avoiding concave surface along the periphery of the hollow part; the lower end surface of the frame-shaped main body is provided with a plurality of component avoiding grooves; four corners of the frame-shaped main body are provided with four adjusting positioning grooves; the four positioning components are arranged in the four adjusting positioning grooves. The positioning assembly comprises a lower positioning part (comprising a positioning column inserted into the positioning hole on the PCB for positioning, a lower flange and an internal thread column connected with the upper adjusting part), and an upper adjusting part (comprising an upper flange and an external thread column which is used for being in threaded connection with the internal thread column so that the upper flange and the lower flange are clamped at the upper end and the lower end of the adjusting positioning groove). The utility model can accurately control the mounting position, and the core plate is placed in the hollow part of the frame-shaped main body and then mounted through the positioning of the positioning assembly and the positioning hole on the PCB plate, thereby effectively reducing the probability of bad operation caused by personnel and ensuring the product quality; and the production efficiency is improved, and the requirement of batch production is met.

Description

Manual pasting, positioning and correcting jig for large-size core plate
Technical Field
The utility model relates to a large-size core plate mounting and positioning jig.
Background
The large-size core board exceeds the identification range of the identification camera of the chip mounter due to overlarge size, cannot be mounted by equipment, and is manually mounted at present. However, the manual mounting and position adjusting speed of personnel is too slow to meet the requirement of batch production; meanwhile, more serious is that the personnel can not accurately control the mounting position, the situations of mounting deviation, deflection and the like are very easy to occur, the personnel can inevitably cause the collapse, the tin connection and the tin shortage of solder paste printed on the bonding pad when adjusting the mounting position, the welding deviation is bad, welding spots are arranged on four sides of a core plate, the disassembly difficulty is overlarge, the maintenance scrap rate reaches more than 70%, and the product quality of production is seriously influenced.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a large-size core plate manual mounting, positioning and correcting jig which effectively reduces manual operation errors and improves production efficiency.
The technical scheme of the utility model is as follows: comprises a frame-shaped main body; the shape of the hollow part of the frame-shaped main body is matched with the shape of the core plate; a tin-avoiding concave surface is arranged on the lower end surface of the frame-shaped main body along the periphery of the hollow part; a plurality of element avoiding grooves for avoiding peripheral elements are formed in the lower end face of the frame-shaped main body; four adjusting positioning grooves for assembling positioning components are arranged at four corners of the frame-shaped main body, and each adjusting positioning groove comprises two kidney-shaped grooves and two L-shaped grooves; the four positioning components are arranged in the four adjusting positioning grooves and can move and be fixed in the adjusting positioning grooves.
The positioning assembly comprises a lower positioning part and an upper adjusting part in threaded connection with the lower positioning part.
The lower positioning part comprises a positioning column positioned at the lower part and used for being inserted into and positioned in a positioning hole on the PCB, a lower flange positioned at the middle part and used for being clamped with the lower end of the adjusting positioning groove, and an internal thread column positioned at the upper part and used for being connected with the upper adjusting part.
The upper adjusting part comprises an upper flange positioned on the upper part and an external thread column positioned on the lower part and used for being in threaded connection with the internal thread column so that the upper flange and the lower flange are clamped at the upper end and the lower end of the adjusting positioning groove.
The positioning adjusting groove is of a step-shaped structure and comprises a large step part for accommodating the lower flange and a small step part for limiting the lower flange.
The height of the large step part is equal to that of the lower flange.
The two kidney-shaped grooves are positioned on the left side of the frame-shaped main body and comprise a long kidney-shaped groove and a short kidney-shaped groove; the two L-shaped grooves are positioned on the right side of the frame-shaped main body.
The element avoiding groove comprises four mutually independent small grooves positioned between the long kidney-shaped groove and the short kidney-shaped groove, a first large groove positioned between the two L-shaped grooves, and a second large groove positioned between the short kidney-shaped groove and the L-shaped groove adjacent to the short kidney-shaped groove.
And the upper end face of the external thread column is provided with a hexagonal counter bore.
The upper end face of the frame-shaped main body is provided with a handle which is convenient to take.
The large-size core plate manual mounting, positioning and correcting jig can accurately control the mounting position, the position of the positioning assembly in the adjusting positioning groove is adjusted according to the positioning hole in the PCB when the jig is used, and the core plate is placed in the hollow part of the frame-shaped main body and then mounted through the positioning of the positioning assembly and the positioning hole in the PCB, so that the probability of poor operation caused by personnel operation is effectively reduced, and the product quality is ensured; and the production efficiency is improved, and the requirement of batch production is met.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a perspective view of another aspect of the present invention.
Fig. 4 is a schematic structural view of the positioning assembly of the present invention.
In the figure, a frame-shaped main body 1, a kidney-shaped groove 2, a long kidney-shaped groove 201, a short kidney-shaped groove 202, an L-shaped groove 3, a large step part 2301, a small step part 2302, a positioning assembly 4, a lower positioning part 401, a positioning column 4011, a lower flange 4012, an internal threaded column 4013, an upper adjusting part 402, an upper flange 4021, an external threaded column 4022, a hexagonal counter bore 4023, a tin-avoiding concave surface 5, an element-avoiding groove 6, a small groove 601, a first large groove 602, a second large groove 603 and a handle 7.
Detailed Description
In fig. 1, 2 and 3, the shape of the hollow portion 101 of the frame-shaped body 1 is adapted to the outer shape of the core plate. The upper end face of the frame-shaped main body 1 is provided with a handle 7 which is convenient for taking and placing the jig. The lower end face of the frame-shaped main body 1 is provided with tin-avoiding concave surfaces 5 along the periphery of the hollow part, so that tin paste printed by the bonding pads on the PCB is avoided, and the periphery of the frame-shaped main body cannot contact with the tin paste after the jig is placed.
Four corners of the frame-shaped main body 1 are provided with four adjusting positioning grooves for assembling positioning components, and each adjusting positioning groove comprises two kidney-shaped grooves 2 and two L-shaped grooves 3; the two kidney-shaped grooves are positioned at the left side of the frame-shaped main body 1 and comprise a long kidney-shaped groove 201 and a short kidney-shaped groove 202; two L-shaped grooves are positioned on the right side of the frame-shaped main body 1.
Four locating component 4 adorn in four regulation constant head tank and can remove and fix in adjusting the constant head tank, can be according to the position of locating hole adjustment core plate on the PCB board. The positioning assembly 4 includes a lower positioning portion 401, and an upper adjustment portion 402 threadedly coupled to the lower positioning portion. The lower positioning part 401 comprises a positioning post 4011 located at the lower part for inserting into a positioning hole on the PCB for positioning, a lower flange 4012 located at the middle part, and an internal threaded post 4013 located at the upper part for connecting with the upper adjusting part. The positioning adjustment groove has a stepped structure including a large step portion 2301 for receiving the lower flange 4012, and a small step portion 2302 for limiting the position of the lower flange 4012. The large step portion 2301 has the same height as the lower flange 4012.
A plurality of component avoiding grooves 6 for avoiding peripheral components are formed in the lower end face of the frame-shaped main body 1; the element avoiding groove 6 comprises four mutually independent small grooves 601 positioned between the long kidney-shaped groove and the short kidney-shaped groove, a first large groove 602 positioned between the two L-shaped grooves, and a second large groove 603 positioned between the short kidney-shaped groove and the adjacent L-shaped groove.
In fig. 4, the positioning assembly 4 includes a lower positioning portion 401, an upper adjustment portion 402 screwed with the lower positioning portion; the lower positioning part 401 comprises a positioning column 4011 positioned at the lower part and inserted into a positioning hole on the PCB for positioning, a lower flange 4012 positioned at the middle part and clamped with the lower end of the adjusting positioning groove, and an internal threaded column 4013 positioned at the upper part and connected with the upper adjusting part; the upper adjustment part 402 comprises an upper flange 4021 at the upper part and an externally threaded post 4022 at the lower part for threadedly coupling with the internally threaded post 4013 to clamp the upper flange 4021 and the lower flange 4012 at the upper and lower ends of the adjustment positioning groove. The upper end face of the external thread column 4022 is provided with a hexagonal counter bore 4023.
Before the positioning column is used, a core board and a bottom board (PCB) are prepared, double-faced adhesive tapes are pasted on the inner edges of bonding pads of the core board of the PCB, and the light board of the core board is pasted on the PCB in a correcting way. This tool is put to contrast nuclear core plate position, through the locating hole on the PCB board, and the reference column that removes the tool targets in place the after-fixing, and the reference column is rectified and is accomplished and can be used for production, and the tool position of use is decided at stokehold post.
The specific using method comprises the following steps: the bottom Plate (PCB) flows into a chip mounter for mounting components after printing solder paste, and flows to a station in front of a furnace after other components are mounted. Furnace personnel take the jig, and correspondingly place the positioning columns on the jig into the positioning holes of the bottom plate. Taking out the core plate which is already mounted, after confirming the direction, horizontally placing the core plate into the hollow area of the jig, and slightly pressing the core plate downwards with force to enable the core plate to be attached to the bottom plate. And after the core board is completely pasted, vertically upwards taking down the jig to paste the next product.

Claims (7)

1. The utility model provides a manual subsides of jumbo size core plate pastes dress location correction tool which characterized in that: comprises a frame-shaped main body (1); the shape of a hollow part (101) in the frame-shaped main body (1) is matched with the shape of the core plate; a tin-avoiding concave surface (5) is arranged on the lower end surface of the frame-shaped main body (1) along the periphery of the hollow part; a plurality of element avoiding grooves (6) for avoiding peripheral elements are formed in the lower end face of the frame-shaped main body (1); four adjusting positioning grooves for assembling positioning components are arranged at four corners of the frame-shaped main body (1), and each adjusting positioning groove comprises two kidney-shaped grooves (2) and two L-shaped grooves (3); the four positioning components (4) are arranged in the four adjusting positioning grooves;
the positioning assembly (4) comprises a lower positioning part (401) and an upper adjusting part (402) in threaded connection with the lower positioning part;
the lower positioning part (401) comprises a positioning column (4011) which is positioned at the lower part and is inserted into a positioning hole on the PCB for positioning, a lower flange (4012) which is positioned at the middle part and is clamped with the lower end of the adjusting positioning groove, and an internal threaded column (4013) which is positioned at the upper part and is connected with the upper adjusting part;
the upper adjusting part (402) comprises an upper flange (4021) positioned on the upper part and an external threaded column (4022) positioned on the lower part and used for being in threaded connection with the internal threaded column (4013) so that the upper flange (4021) and the lower flange (4012) can be clamped at the upper end and the lower end of the adjusting positioning groove.
2. The jig for manually positioning and correcting the core board in the large size according to claim 1, wherein: the positioning adjusting groove is of a step-shaped structure and comprises a large step part (2301) used for accommodating the lower flange (4012) and a small step part (2302) used for limiting the lower flange (4012).
3. The jig for manually positioning and correcting the core board in a large size according to claim 2, wherein: the height of the large step is equal to the height of the lower flange (4012).
4. The jig for manually positioning and correcting the core board in the large size according to claim 1, wherein: the two kidney-shaped grooves are positioned on the left side of the frame-shaped main body (1) and comprise a long kidney-shaped groove (201) and a short kidney-shaped groove (202); the two L-shaped grooves are positioned on the right side of the frame-shaped main body (1).
5. The jig for manually positioning and correcting the core board in the large size according to claim 4, wherein: the element avoiding groove (6) comprises four mutually independent small grooves (601) positioned between the long kidney-shaped groove and the short kidney-shaped groove, a first large groove (602) positioned between the two L-shaped grooves, and a second large groove (603) positioned between the short kidney-shaped groove and the L-shaped groove adjacent to the short kidney-shaped groove.
6. The jig for manually positioning and correcting the core board in the large size according to claim 1, wherein: the upper end face of the external thread column (4022) is provided with a hexagonal counter bore (4023).
7. The jig for manually positioning and correcting the core board in the large size according to claim 1, wherein: the upper end face of the frame-shaped main body (1) is provided with a handle (7) which is convenient to take.
CN202121608819.8U 2021-07-13 2021-07-13 Manual pasting, positioning and correcting jig for large-size core plate Active CN215421485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121608819.8U CN215421485U (en) 2021-07-13 2021-07-13 Manual pasting, positioning and correcting jig for large-size core plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121608819.8U CN215421485U (en) 2021-07-13 2021-07-13 Manual pasting, positioning and correcting jig for large-size core plate

Publications (1)

Publication Number Publication Date
CN215421485U true CN215421485U (en) 2022-01-04

Family

ID=79649646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121608819.8U Active CN215421485U (en) 2021-07-13 2021-07-13 Manual pasting, positioning and correcting jig for large-size core plate

Country Status (1)

Country Link
CN (1) CN215421485U (en)

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Address after: 441000 No.85 Airport Road, high tech Zone, Xiangyang City, Hubei Province

Patentee after: Xiangyang Donghe Electronic Technology Co.,Ltd.

Country or region after: China

Address before: 441000 No.85 Airport Road, high tech Zone, Xiangyang City, Hubei Province

Patentee before: XIANGYANG DONGHE ELECTRONIC TECHNOLOGY Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address