PCB machined part cleaning jig

Abstract

The utility model relates to the field of cleaning jigs, in particular to a PCB machined part cleaning jig which comprises a jig pressing plate, a jig bottom plate and pins, a first pin hole is formed in the jig bottom plate, and a second pin hole is formed in the jig pressing plate. The jig bottom plate and the jig pressing plate are connected and fixed in a positioning mode through pins, the jig bottom plate is fixed to a cleaning table in a positioning mode through the positioning holes, a PCB is placed on the first supporting plate and the second supporting plate of the jig bottom plate, the jig pressing plate is pressed, the third clamping piece is inserted into the first groove, and finally the jig bottom plate and the jig pressing plate are fixed in a positioning mode through the pins.

Description

Technical Field

[0001] The utility model relates to the field of cleaning jigs, in particular to a cleaning jig for PCB processing parts. Background Art

[0002] PCB, also known as printed circuit board (PCB), is an important electronic component that supports electronic components and serves as a carrier for their electrical connections. A Chinese patent discloses a PCB workpiece cleaning jig (authorization announcement number CN 211219734 U). This patented technology can secure small PCB workpieces during cleaning, preventing damage caused by misalignment and falling off of the workpieces. However, the back of the circuit board is not cleaned sufficiently. Therefore, those skilled in the art have provided a PCB workpiece cleaning jig to address the problems raised in the above-mentioned background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a PCB processing parts cleaning jig, including a jig pressure plate, a jig base plate and a pin. The jig pressure plate is provided with a first pin hole, the jig base plate is provided with a second pin hole, and the jig base plate and the jig pressure plate are positioned and fixed by pins.

[0004] Preferably: a substrate drilling hole is provided on the middle side of the jig pressing plate, and a drainage hole is provided on the side of the substrate drilling hole;

[0005] Preferably, a plurality of PCB openings are provided between the drainage holes, a drilled opening is provided on the right side of each independent PCB opening, and a solder mask opening is provided on the right side of the drilled opening;

[0006] Preferably, a first clamping member and a second clamping member are provided on the bottom side of the jig pressing plate, and a first groove is provided between the first clamping member and the second clamping member;

[0007] Preferably: the third clamp is inserted into the first groove, the second clamp is inserted into the second groove, the third clamp is installed on the upper and lower sides of the jig base plate, the left and right sides of the jig base plate are provided with second corner baffles, the side of the second corner baffle is installed with the first supporting plate, the upper and lower sides of the jig base plate are provided with first corner baffles, the second groove is provided between the third clamp and the first corner baffle, and the side of the first corner baffle is installed with the second supporting plate;

[0008] Preferably: a plurality of water troughs of the same size are provided on the second supporting plate, and drainage grooves are provided on the sides of the water troughs;

[0009] Preferably, the jig bottom plate is provided with positioning holes to facilitate positioning and fixing with the cleaning equipment, and is hollow in the middle, so as to clean the PCB bottom plate over a large area.

[0010] The technical effects and advantages of this utility model are:

[0011] 1. The middle of the fixture bottom plate is hollow, which can clean a large area of ​​PCB bottom plate;

[0012] 2. The fixture pressure plate is equipped with PCB openings to prevent parts from falling off and being lost;

[0013] 3. The fixture pressure plate is equipped with solder mask openings, which can effectively clean the debris on the solder mask of the substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a PCB processing parts cleaning fixture provided in an embodiment of the present application;

[0015] Figure 2 This is a schematic diagram of an explosion structure in a PCB processing part cleaning jig provided in an embodiment of the present application;

[0016] Figure 3 This is a structural schematic diagram of a jig base plate in a PCB processing part cleaning jig provided in an embodiment of the present application;

[0017] Figure 4 This is a schematic diagram of the top structure of a jig pressure plate in a PCB processing part cleaning jig provided in an embodiment of the present application;

[0018] Figure 5 This is a bottom-view structural schematic diagram of a jig pressure plate in a PCB processing part cleaning jig provided in an embodiment of the present application.

[0019] In the figure: 1. fixture pressure plate; 2. fixture bottom plate; 3. pin; 101. substrate drilling hole; 102. drainage hole; 103. PCB opening; 104. drilling opening; 105. solder mask opening; 106. first pin hole; 107. first clamp; 108. second clamp; 109. first groove; 201. second pin hole; 202. positioning hole; 203. third clamp; 204. second groove; 205. first corner baffle; 206. second corner baffle; 207. first support plate; 208. second support plate; 209. water flow trough; 210. drainage trough. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

[0021] Example

[0022] See also Figures 1 to 5 In this embodiment, a PCB processing part cleaning jig is provided, including a jig pressing plate 1, a jig base plate 2 and a pin 3. The jig pressing plate 1 is provided with a first pin hole 106, and the jig base plate 2 is provided with a second pin hole 201. The jig base plate 2 and the jig pressing plate 1 are positioned and fixed by the pin 3.

[0023] Specifically, a substrate drilling hole 101 is provided on the middle side of the fixture pressing plate 1, and a drainage hole 102 is provided on the side of the substrate drilling hole 101;

[0024] A plurality of PCB openings 103 are provided between the drainage holes 102, a drilled opening 104 is provided on the right side of each independent PCB opening, and a solder mask opening 105 is provided on the right side of the drilled opening 104;

[0025] A first clamping member 107 and a second clamping member 108 are provided on the bottom side of the jig pressing plate 1, and a first groove 109 is provided between the first clamping member 107 and the second clamping member 108;

[0026] The third clamping member 203 is inserted into the first groove 109, and the second clamping member 108 is inserted into the second groove 204. The third clamping member 203 is installed on the upper and lower sides of the jig base 2. The left and right sides of the jig base 2 are provided with second corner baffles 206. The first supporting plate 207 is installed on the side of the second corner baffle 206. The upper and lower sides of the jig base 2 are provided with first corner baffles 205. The second groove 204 is set between the third clamping member 203 and the first corner baffle 205. The second supporting plate 208 is installed on the side of the first corner baffle 205.

[0027] The second support plate 208 is provided with a plurality of water troughs 209 of the same size, and a drainage trough 210 is provided on the side of the water trough 209;

[0028] The fixture base plate 2 is provided with a positioning hole 202, which is convenient for positioning and fixing with the cleaning equipment. The middle is hollow, and a large area of ​​the PCB base plate can be cleaned.

[0029] The working principle of this utility model is:

[0030] When using a PCB processing part cleaning jig, first position and fix the jig base plate 2 on the cleaning table through the positioning hole 202, place the PCB board on the first support plate 207 and the second support plate 208 of the jig base plate 2, press the jig pressure plate 1, insert the third clamping member 203 into the first groove 109, and finally use the pin 3 to position and fix the jig base plate 2 and the jig pressure plate 1, start the cleaning machine, and the work is completed.

[0031] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making any creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in this utility model shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A PCB processing parts cleaning fixture, characterized in that: The jig comprises a jig pressing plate (1), a jig base plate (2) and a pin (3); the jig pressing plate (1) is provided with a first pin hole (106), the jig base plate (2) is provided with a second pin hole (201), and the jig base plate (2) and the jig pressing plate (1) are positioned, connected and fixed by the pin (3); A first clamping piece (107) and a second clamping piece (108) are provided on the bottom side of the jig pressing plate (1), and a first groove (109) is provided between the first clamping piece (107) and the second clamping piece (108); The third clamping member (203) is inserted into the first groove (109), the second clamping member (108) is inserted into the second groove (204), the third clamping member (203) is mounted on the upper and lower sides of the jig base plate (2), the left and right sides of the jig base plate (2) are provided with second corner baffles (206), and the first supporting plate (207) is mounted on the side of the second corner baffle (206); The center of the jig bottom plate (2) is hollow; The jig base plate (2) is provided with first corner baffles (205) on the upper and lower sides, the second groove (204) is provided between the third clamping member (203) and the first corner baffle (205), and the second supporting plate (208) is installed on the side of the first corner baffle (205); The second supporting plate (208) is provided with a plurality of water flow troughs (209) of the same size, and a drainage trough (210) is provided on the side of the water flow trough (209).

2. A PCB processing parts cleaning jig according to claim 1, characterized in that: A substrate drilling hole (101) is provided on the middle side of the jig pressing plate (1), and a drainage hole (102) is provided on the side of the substrate drilling hole (101).

3. A PCB processing parts cleaning jig according to claim 2, characterized in that: A plurality of PCB openings (103) are provided between the drainage holes (102), a drilling opening (104) is provided on the right side of each independent PCB opening, and a solder resist opening (105) is provided on the right side of the drilling opening (104).

4. A PCB processing parts cleaning jig according to claim 1, characterized in that: The jig base plate (2) is provided with a positioning hole (202).

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