Maintenance printing jig

Abstract

The utility model relates to the technical field of jigs, and discloses a maintenance printing jig, which is applied to a PCB (printed circuit board) to be maintained, the PCB is provided with a to-be-printed area, two sides of the to-be-printed area are respectively provided with a slot for installing a memory bank, two ends of each slot are respectively provided with a buckle, the maintenance printing jig comprises a baffle plate and a plurality of clamping buckles, the shell is provided with a solder paste inlet; the printing bin is rectangular and is arranged below the solder paste inlet, a steel mesh is arranged at the bottom of the printing bin, a plurality of printing openings are formed in the steel mesh, and the printing openings are communicated with the solder paste inlet; and the multiple limiting insertion strips are fixedly installed below the baffle and located on the two sides of the printing bin, and the limiting insertion strips are used for being installed in cooperation with the insertion grooves close to the to-be-printed area. In this way, the printing efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig technical field especially relates to a maintenance printing jig. BACKGROUND

[0002] DIMM, full name Dual-Inl ine-Memory-Modules, Chinese name called dual inline memory module, in SMT process technology, DIMM generally adopts the way of inserting or patching to assemble, such mode can promote processing efficiency, but there is deficiency in subsequent maintenance, for example, the mainboard will be arranged with multiple slots for DIMM insertion and extraction, if one of them fails, then needs to remove and check or replace, needs to print tin paste on the mainboard before resetting the repaired or new slot, at this time, the installation space of the slot is limited, tin paste printing is difficult, and the normal slots on both sides cannot be affected when printing tin paste, which requires operators to operate carefully and have certain practical experience, and the normal slots and nearby elements also need to be protected, resulting in a significant increase in maintenance time. UTILITY MODEL CONTENTS

[0003] The utility model discloses a maintenance printing jig, to solve the deficiency in the background art, effectively improve printing efficiency.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A maintenance printing jig is applied to a PCB to be maintained, the PCB has a to-be-printed area, both sides of the to-be-printed area are provided with slots for memory stick installation, the slots are provided with buckles at both ends, the maintenance printing jig comprises: a baffle provided with a tin paste inlet; a printing bin in the shape of a rectangle and arranged below the tin paste inlet, the bottom of the printing bin is provided with a steel mesh, the steel mesh is provided with a plurality of printing ports, the printing ports are communicated with the tin paste inlet; and a plurality of limiting insertion strips installed and fixed below the baffle and located at both sides of the printing bin, the limiting insertion strips are used for cooperating with the slots close to the to-be-printed area.

[0006] Preferably, the tin paste inlet is provided with clamping columns at both ends, the clamping columns are used for clamping and installing the buckles, and the clamping columns are arranged close to the printing bin.

[0007] Preferably, the limiting insertion strips are in the shape of a long strip and four limiting insertion strips are arranged, and two limiting insertion strips are arranged at each side of the printing bin.

[0008] Preferably, the baffle and the printing bin are integrally formed.

[0009] Preferably, a handle is further arranged on the baffle.

[0010] Preferably, the memory bar is a dual inline memory module.

[0011] Compared with the prior art, the printing bin is arranged to avoid pollution of the tin paste to the slots on both sides, and the tin paste only needs to pass through the steel mesh of the printing bin bottom plate to be arranged on the to-be-printed area, so that the process is simple and fast, and the printing efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a whole structure diagram of the maintenance printing fixture;

[0013] Figure 2 is a structure diagram of the bottom of the maintenance printing fixture;

[0014] Figure 3 is a partial structure diagram of the PCB;

[0015] Figure 4 is an installation schematic diagram of the maintenance printing fixture on the to-be-maintained PCB. DETAILED DESCRIPTION

[0016] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0017] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0018] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0020] Referring to Figures 1-4 The utility model provides a kind of maintenance printing fixture, applied on the PCB board 400 to be maintained, PCB board 400 has the printing area 401 to be maintained, the printing area 401 both sides are equipped with the slot 402 for memory stick installation, wherein, the type of memory stick can be dual inline memory module. Slot 402 both ends have buckle 403 to facilitate the fixation of memory stick. That is to say, the slot 402 of the area needing maintenance on PCB board 400 is removed, and the position of PCB board 400 originally installed with the slot 402 removed is the printing area 401 to be maintained, and PCB board 400 will usually be arranged with multiple slots 402, so multiple slots 402 will be arranged on the both sides of the printing area 401 to be maintained. Then, maintenance printing fixture includes baffle 100, printing bin 200 and multiple limiting insertion strips 300. Baffle 100 is equipped with tin paste inlet 101, printing bin 200 is arranged below tin paste inlet 101, printing bin 200 is installed below baffle 100 and is rectangular, and the bottom of printing bin 200 is equipped with steel mesh 201, steel mesh 201 has multiple printing ports 202, printing port 202 is communicated with tin paste inlet 101, and tin paste will flow out along multiple printing ports 202 after entering from tin paste inlet 101, by using steel mesh 201 and printing port 202, it can be ensured that tin paste is evenly and accurately printed on the printing area 401 to be maintained of PCB board 400, to improve the precision and consistency of printing. In addition, multiple limiting insertion strips 300 are also installed and fixed below baffle 100, and multiple limiting insertion strips 300 are located on both sides of printing bin 200 respectively, and limiting insertion strip 300 is used for cooperating with the slot 402 close to the printing area 401 to be maintained. Secondly, baffle 100 can also prevent tin paste in printing bin 200 from overflowing during printing and affecting the slot 402 and memory stick next to it, with high safety.

[0021] In detail, when the PCB 400 to be repaired is printed with the solder paste, the whole repair printing jig is placed on the area 401 to be printed, the limiting plug 300 on the bottom is installed on the slot 402 closest to the area 401 to be printed, so as to temporarily fix the repair printing jig, at this time, the steel mesh 201 at the bottom of the printing bin 200 is close to the area 401 to be printed, the solder paste flows in through the solder paste inlet 101, then flows out through the plurality of printing ports 202, and finally flows into the area 401 to be printed, so as to realize the printing of the solder paste on the area 401 to be printed. In this printing process, the setting of the printing bin 200 can avoid the pollution of the solder paste to the slots 402 on both sides, and the solder paste only needs to pass through the steel mesh 201 at the bottom of the printing bin 200 to realize the arrangement on the area 401 to be printed, which is simple and fast, and greatly improves the overall work efficiency.

[0022] As a preferred embodiment, the solder paste inlet 101 is provided with a clamping column 102 at both ends, and the clamping column 102 is arranged close to the printing bin 200. The clamping column 102 is used for clamping and installing the buckle 403 on the slot 402. When the repair printing jig is placed on the area 401 to be printed, the clamping column 102 is clamped and installed with the buckle 403, which further limits the position of the repair printing jig, improves the stability and accuracy of printing. Among them, two clamping columns can be arranged on each side to form a double clamping structure, which further enhances the stability.

[0023] As another preferred embodiment, the limiting plug 300 is in a long strip shape and four are arranged. The printing bin 200 is provided with two limiting plugs 300 on both sides. In detail, two limiting plugs 300 are arranged on the bottom plate of the baffle 100 on the left and right sides of the printing bin 200, and the limiting plugs 300 on both sides are symmetrically arranged. The arrangement of a plurality of limiting plugs 300 can further increase the installation stability of the jig. In addition, the limiting plug 300 can be made of high-strength plastic material, which is light and durable. Secondly, the number of limiting plugs 300 can also be six or more, and is not limited to four.

[0024] As another preferred embodiment, the baffle 100 and the printing bin 200 are integrally formed, so as to improve the structural strength between the baffle 100 and the printing bin 200 and prolong the service life. Among them, the baffle 100 and the printing bin 200 can be integrally formed by metal material, and the metal material can be aluminum alloy, which is light and high in strength.

[0025] As another preferred embodiment, the baffle 100 is further provided with handles 103, the handles 103 can facilitate the operator to hold the jig, the handles 103 on the baffle 100 are provided with two, which are respectively arranged on the two sides of the baffle 100 to facilitate the operator to hold. Among them, the number of handles 103 can also be set to be multiple, and is not limited to two.

[0026] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above-mentioned embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A repairing printing jig, which is applied to a PCB (400) to be repaired, the PCB (400) having a printing area (401) to be printed, the printing area (401) being provided with slots (402) for mounting memory sticks on both sides of the printing area (401), the slots (402) being provided with buckles (403) at both ends of the slots (402), characterized in that, The maintenance printing jig comprises: a baffle (100) provided with a tin paste inlet (101); a printing bin (200) in a rectangular shape and arranged below the tin paste inlet (101), the bottom of the printing bin (200) being provided with a steel mesh (201) having a plurality of printing ports (202) in communication with the tin paste inlet (101); and a plurality of limiting insertion strips (300) fixedly installed below the baffle (100) and located at both sides of the printing bin (200), the limiting insertion strips (300) being used for cooperating with the insertion slots (402) close to the to-be-printed area (401) for installation.

2. The repair printing jig of claim 1, wherein Both ends of the tin paste inlet (101) are provided with clamping columns (102) for clamping installation with the buckles (403), the clamping columns (102) being arranged close to the printing bin (200).

3. The repair printing jig of claim 1, wherein The limiting insertion strips (300) are in a long strip shape and four in number, two limiting insertion strips (300) being arranged at each side of the printing bin (200).

4. The repair printing jig of claim 1, wherein The baffle (100) and the printing bin (200) are integrally formed.

5. The repair printing jig of claim 1, wherein The baffle (100) is further provided with a handle (103).

6. The repair printing jig of claim 1, wherein The type of the memory stick is a dual in-line memory module.

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