PCBA flatness correction auxiliary tool

Abstract

The utility model relates to the technical field of PCBA flatness correction, and discloses a PCBA flatness correction auxiliary tool which comprises a lower jig, a groove is formed in the surface of the lower jig, a plurality of clamping boxes are fixedly connected to the interior of the groove, the inner side walls of the clamping boxes are fixedly connected with a set of placing plates, and the placing plates are fixedly connected to the inner side walls of the clamping boxes. The surface of the lower jig is in threaded connection with four cross bolts, the outer portions of the four cross bolts are in threaded connection with an upper jig, and a plurality of spring pins are fixedly connected to the middle of the bottom face of the upper jig. According to the PCBA flatness correction auxiliary tool, through the arrangement of the spring pins, when a PCBA board passes through a reflow oven and is affected by high temperature to be subjected to buckling deformation, the spring pins can be extruded, when the spring pins are extruded, the spring pins can form bounce to limit buckling deformation of the PCBA board, the PCBA board can be corrected automatically, the product quality is improved, and the production efficiency is improved. Manpower for correcting the flatness of the PCBA board is saved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCBA flatness correction technical field, specifically related to a kind of PCBA flatness correction auxiliary tool. BACKGROUND

[0002] In the production process of electronic products, the flatness of PCBA is crucial to subsequent assembly and welding quality. This tool can be widely used in the manufacture of electronic products such as mobile phones, tablet computers and computer motherboards, to ensure that the flatness of PCBA meets the requirements and improve the reliability and stability of the product.

[0003] Currently, PCBA is placed horizontally when passing through the reflow soldering furnace, and PCBA passing through the reflow soldering furnace is affected by high temperature, which causes middle warping deformation. The existing PCBA auxiliary device cannot automatically correct the deformation of PCBA, thereby affecting the quality of the product.

[0004] Therefore, there is an urgent need for a PCBA flatness correction auxiliary tool to solve the above problems. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the above shortcomings of the prior art, the utility model provides a PCBA flatness correction auxiliary tool, which can effectively solve the problem that the prior art cannot automatically correct the deformation of PCBA, thereby affecting the quality of the product.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a PCBA flatness correction auxiliary tool, comprising a lower jig, a recess is formed on the surface of the lower jig, a plurality of clamping boxes are fixedly connected inside the recess, a group of placing plates are fixedly connected to the inner side wall of each clamping box, four cross bolts are threadedly connected to the surface of the lower jig, an upper jig is threadedly connected to the outside of the four cross bolts, and a plurality of spring pins are fixedly connected to the bottom surface of the upper jig.

[0009] As a further scheme of the utility model, a plurality of limiting holes are formed through the surface of the upper jig, and a limiting column is inserted into each limiting hole. The limiting column is used to limit the position of the PCBA board.

[0010] As a further scheme of the utility model, a PCBA board is placed on the surface of each placing plate, and the PCBA board is located below the spring pins in the middle, so that the spring pins can correct the PCBA board.

[0011] (III) Beneficial effects

[0012] The utility model provides a kind of PCBA flatness correction auxiliary tool, with following beneficial effects:

[0013] The PCBA flatness correction auxiliary tool, by the setting of spring foot needle, when PCBA board is affected by high temperature and occurs warping deformation when passing reflow furnace, it will be extruded to spring foot needle, when spring foot needle is extruded, spring foot needle will form rebound force to limit PCBA board warping deformation, can automatically correct PCBA board, improve product quality, and save PCBA board flatness correction operation manpower, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is overall structure schematic diagram of the utility model;

[0015] Figure 2 It is card box structure schematic diagram of the utility model;

[0016] Figure 3 It is spring foot needle structure bottom view schematic diagram of the utility model.

[0017] In the drawing: 1, lower jig;2, card box;3, placement plate;4, cross bolt;5, upper jig;6, spring foot needle;7, limiting column;8, PCBA board. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a kind of PCBA flatness correction auxiliary tool, including lower jig 1, the surface of lower jig 1 is provided with recess, recess is fixedly connected with several card boxes 2 in its inside, the inner side wall of several card boxes 2 is all fixedly connected with a group of placement plates 3, the surface of lower jig 1 is screw-threaded with four cross bolts 4, four cross bolts 4 are screw-threaded with upper jig 5 outside, the bottom surface of upper jig 5 is fixedly connected with several spring foot needles 6 in the middle, by the setting of spring foot needle 6, improve product quality, and save PCBA board 8 flatness correction operation manpower, improve production efficiency;

[0020] Please refer to Figure 1 And Figure 2 The surface of upper jig 5 is provided with several limiting holes, the inside of several limiting holes is all inserted with limiting column 7, limiting column 7 is convenient for limiting the position of PCBA board 8;

[0021] Please refer to Figure 2And Figure 3 The surface of the placing plate 3 is placed with the PCBA plate 8, and the middle of the PCBA plate 8 is located below the spring pin 6, so that the spring pin 6 can correct the PCBA plate 8.

[0022] In the utility model, the working steps of the device are as follows:

[0023] The first step is to place the PCBA plate 8 on the placing plate 3 in the card box 2, and then fix the upper jig 5 through the cross bolt 4;

[0024] The second step is to insert the limiting column 7 into the limiting hole;

[0025] The third step is that when the PCBA plate 8 is warped and deformed due to high temperature in the reflow oven, the spring pin 6 will be squeezed, and when the spring pin 6 is squeezed, the spring pin 6 will form a rebound force to limit the warping of the PCBA plate 8, and the PCBA plate 8 can be automatically corrected. The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.

Claims

1. A PCBA flatness correction auxiliary tool, comprising a lower jig (1), characterized in that: The surface of the lower jig (1) is provided with a groove, and a plurality of card boxes (2) are fixedly connected inside the groove, and the inner side walls of the plurality of card boxes (2) are fixedly connected to a group of placement plates (3), and the surface of the lower jig (1) is threadedly connected to four cross bolts (4), and the outer surfaces of the four cross bolts (4) are threadedly connected to the upper jig (5), and a plurality of spring pins (6) are fixedly connected to the middle of the bottom surface of the upper jig (5).

2. A PCBA flatness correction auxiliary tool according to claim 1, characterized in that: A plurality of limiting holes are formed through the surface of the upper metallurgy tool (5), and limiting pillars (7) are inserted into the interiors of the plurality of limiting holes.

3. The PCBA flatness correction auxiliary tool according to claim 1, characterized in that: A PCBA board (8) is placed on the surface of the placement plate (3), and the middle of the PCBA board (8) is located below the spring pin (6).

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