Column grid structure for circuit board solder paste printing

Abstract

The utility model discloses a post grid structure for circuit board solder paste printing, which comprises a device body, the device body comprises a base, two groups of hydraulic rods, a limiting device and a compacting device, the two groups of hydraulic rods are symmetrically mounted at the top of the base, the compacting device is positioned above the limiting device, the limiting device is mounted on the two groups of hydraulic rods, and the compacting device is positioned above the limiting device. The two groups of hydraulic rods are connected with the bottom of the compaction device; the limiting device comprises a first mounting block, a second mounting block and a limiting block, the first mounting block and the second mounting block are symmetrically distributed, the limiting block is mounted between the first mounting block and the second mounting block, a limiting groove is formed in the top of the limiting block and is of a rectangular structure, and a limiting baffle is arranged at the rear end of the limiting groove; and embedding blocks are arranged at the left end and the right end of the limiting block correspondingly, and a set of small fixing holes which are symmetrically distributed are formed in the tops of the embedding blocks. According to the device, the circuit board can be effectively fixed and positioned, so that the efficiency and the accuracy of brushing solder paste on the circuit board are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board tin printing technical field, concretely is a kind of column net structure for circuit board tin printing. BACKGROUND

[0002] Printed circuit board, also known as printed circuit board, is the provider of electrical connection of electronic components, and printed circuit board is often represented by "PCB". The main function of the steel mesh is to help tin paste be applied to the circuit board. The purpose is to transfer the correct amount of tin paste to the correct position on the circuit board.

[0003] The existing column net for circuit board tin printing has the following defects:

[0004] 1. The existing column net for circuit board tin printing cannot effectively limit and position the circuit board, and cannot position circuit boards of different sizes, so the staff needs to position the circuit board, resulting in low efficiency of circuit board tin printing.

[0005] 2. The existing column net for circuit board tin printing is not convenient to install and replace, which affects the work efficiency of the staff.

[0006] Therefore, a solution is needed. UTILITY MODEL CONTENT

[0007] (I) Technical problem solved

[0008] In view of the deficiencies of the prior art, the utility model provides a column net structure for circuit board tin printing to solve the problems raised in the background art.

[0009] (II) Technical scheme

[0010] To achieve the above purpose, the utility model is implemented by the following technical scheme: a column net structure for circuit board tin printing, comprising a device body, the device body comprises a base, a hydraulic rod, a limiting device and a compaction device, the hydraulic rod is provided with two groups, two groups of the hydraulic rod are symmetrically installed on the top of the base, the compaction device is located above the limiting device, the limiting device is installed on two groups of hydraulic rods, and two groups of the hydraulic rod are connected with the bottom of the compaction device; the limiting device comprises a first mounting block, a second mounting block and a limiting block, the first mounting block and the second mounting block are symmetrically distributed, the limiting block is installed between the first mounting block and the second mounting block, the limiting block is in rectangular shape structure, a limiting groove is formed in the top of the limiting block, the limiting groove is in rectangular shape structure, the front end of the limiting groove is in through structure, the rear end of the limiting groove is provided with a limiting baffle, the left and right ends of the limiting block are provided with embedded blocks, the embedded blocks are in rectangular shape structure, and a group of small fixing holes are formed in the top of the embedded blocks.

[0011] Preferably, the first mounting block and the second mounting block are Z-shaped structures, the first mounting block and the second mounting block are internally provided with embedding grooves, the embedding grooves are rectangular structures, the first mounting block and the second mounting block are both provided at the top with a group of small fixing holes symmetrically distributed, and the first mounting block and the second mounting block are both provided on the surface with a group of penetrating holes symmetrically distributed.

[0012] Preferably, the compaction device comprises a first loading block, a second loading block and a printing steel mesh, the first loading block and the second loading block are horizontally symmetrically distributed, the printing steel mesh is installed on the top of the first loading block and the second loading block, and the printing steel mesh is provided with penetrating holes at the four corners.

[0013] Preferably, the first loading block and the second loading block are L-shaped structures, the first loading block and the second loading block are both provided at the top with a group of positioning pins symmetrically distributed, the positioning pins are provided at the top with sleeve heads, the sleeve heads are arc-shaped structures, and the positioning pins are installed with locking nuts.

[0014] (III) beneficial effects

[0015] The utility model provides a column net structure for circuit board solder paste printing. Has the following beneficial effects:

[0016] The column net structure for circuit board solder paste printing in the scheme can effectively fix and position the circuit board, thereby improving the efficiency and accuracy of brushing solder paste on the circuit board, reducing the work burden of the staff, and also positioning and fixing circuit boards of different sizes, further improving the applicability of the equipment. The printing steel mesh of the device can also be quickly disassembled and replaced, thereby facilitating solder paste brushing operations on circuit boards of different models. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the overall structure schematic view of the utility model;

[0018] Fig. 2 It is the structure schematic view of the utility model limiting device;

[0019] Fig. 3 It is the structure schematic view of the utility model compaction device.

[0020] In the drawing, 1, device body; 2, base; 3, hydraulic rod; 4, limiting device; 5, compaction device; 6, first mounting block; 7, second mounting block; 8, limiting block; 9, limiting groove; 10, limiting baffle; 11, embedding block; 12, embedding groove; 13, small fixing hole; 14, penetrating hole; 15, first loading block; 16, second loading block; 17, printing steel mesh; 18, positioning pin; 19, locking nut; 20, sleeve head. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model embodiment provides a technical scheme:

[0023] Embodiment 1

[0024] For the above-mentioned problem 1 to be solved: the existing column net for circuit board solder paste printing cannot effectively limit and position the circuit board, and cannot position the circuit boards of different sizes, so the staff needs to be positioned, resulting in low efficiency of circuit board solder paste printing.

[0025] The solution is as follows: a column net structure for circuit board solder paste printing, comprising a device body 1, the device body 1 comprises a base 2, a hydraulic rod 3, a limiting device 4 and a compaction device 5, the hydraulic rod 3 is provided with two groups, two groups of hydraulic rod 3 are symmetrically installed on the top of base 2, the compaction device 5 is located above the limiting device 4, the limiting device 4 is installed on two groups of hydraulic rod 3, two groups of hydraulic rod 3 are connected with the bottom of compaction device 5;The limiting device 4 comprises a first mounting block 6, a second mounting block 7 and a limiting block 8, the first mounting block 6 and the second mounting block 7 are symmetrically distributed, the limiting block 8 is installed between the first mounting block 6 and the second mounting block 7, the limiting block 8 is in rectangular shape structure, a limiting groove 9 is formed in the top of limiting block 8, the limiting groove 9 is in rectangular shape structure, the front end of limiting groove 9 is through structure, the rear end of limiting groove 9 is provided with a limiting baffle 10, the left and right ends of limiting block 8 are provided with embedded blocks 11, the embedded blocks 11 are in rectangular shape structure, a group of small fixed holes 13 are formed in the top of embedded blocks 11 and are symmetrically distributed, when fixing the circuit board, the staff inserts the circuit board into the limiting groove 9 of limiting block 8, the limiting groove 9 and the limiting baffle 10 at the rear end of limiting groove 9 can limit and position the circuit board, then the hydraulic rod 3 is started, the printing steel net 17 is adhered to the top of the circuit board, then the solder paste work can be carried out, if different models of circuit boards need to be positioned, only the limiting block 9 is taken out from between the first mounting block 6 and the second mounting block 7, then different models of limiting block 9 are replaced.

[0026] The first mounting block 6 and the second mounting block 7 are Z-shaped structures, the first mounting block 6 and the second mounting block 7 are provided with embedded grooves 12 inside, the embedded grooves 12 are rectangular structures, the first mounting block 6 and the second mounting block 7 are provided with a group of small fixing holes 13 on the top in a symmetrical distribution, the first mounting block 6 and the second mounting block 7 are provided with a group of penetrating holes 14 on the surface in a symmetrical distribution, the embedded grooves 12 in the first mounting block 6 and the second mounting block 7 are used for inserting a group of embedded blocks 11 of the limiting block 9, then the staff inserts the screws into the small fixing holes 13 on the top of the first mounting block 6 and the second mounting block 7, and further fixes the limiting block 8 between the first mounting block 6 and the second mounting block 7.

[0027] Embodiment 2

[0028] For the above-mentioned problem 2 to be solved: the existing column net for circuit board solder paste printing is not convenient to install and replace, which affects the work efficiency of the staff.

[0029] The solution is as follows: the first loading block 15 and the second loading block 16 are L-shaped structures, the first loading block 15 and the second loading block 16 are provided with a group of positioning pins 18 on the top in a symmetrical distribution, the positioning pins 18 are provided with sleeve heads 20 on the top, the sleeve heads 20 are arc-shaped structures, and the positioning pins 18 are provided with locking nuts 19. The compaction device 5 comprises the first loading block 15, the second loading block 16 and the printing steel net 17, the first loading block 15 and the second loading block 16 are horizontally and symmetrically distributed, the printing steel net 17 is installed on the top of the first loading block 15 and the second loading block 16, and the printing steel net 17 is provided with penetrating holes 14 at the four corners. When replacing the printing steel net 17, the staff removes the locking nuts 19 on the positioning pins 18, then removes the printing steel net 17 from the two groups of positioning pins 18, the staff replaces the printing steel net 17 of different models, then the penetrating holes 14 of the printing steel net 17 penetrate into the two groups of positioning pins 18, and the locking nuts 19 are locked, so that the printing steel net 17 can be quickly replaced.

[0030] Working principle: when working, the staff inserts the circuit board into the limiting groove 9 of the limiting block 8 when fixing the circuit board, the limiting groove 9 and the limiting baffle 10 at the rear end of the limiting groove 9 can limit and position the circuit board, then the hydraulic rod 3 is started to drive the printing steel net 17 to adhere to the top of the circuit board, then the solder paste can be brushed, and if different models of circuit boards need to be positioned, the limiting block 9 is removed from between the first mounting block 6 and the second mounting block 7, and then the limiting block 9 of different models is replaced.

[0031] The utility model discloses a 1, device body, 2, base, 3, hydraulic stem, 4, limiting device, 5, compaction device, 6, first mounting block, 7, second mounting block, 8, limiting block, 9, limiting groove, 10, limiting baffle, 11, insert block, 12, insert groove, 13, small fixed hole, 14, pass into the hole, 15, first loading block, 16, second loading block, 17, printing steel net, 18, positioning bolt, 19, lock nut, 20, sleeve into head, the component is all general standard spare or the component that the person skilled in the art knows, and its structure and principle are all that the person skilled in the art can know or obtain through conventional experimental method through technical manual, the problem solved in the utility model is that the existing circuit board solder paste printing is used the column net and can not effectively position circuit board, and still can not position the circuit board of different size, thereby needing the positioning of staff, lead to the problem of low efficiency of circuit board solder paste printing, the utility model discloses through the mutual combination of above -mentioned components, can effectively fix and position circuit board, thereby improve the efficiency and accuracy of the circuit board of the tin paste of brushing.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, the person skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the person skilled in the art can understand.

Claims

1. A column grid structure for solder paste printing on circuit boards, characterized in that: The device includes a main body (1), which includes a base (2), hydraulic rods (3), a limiting device (4), and a compaction device (5). The hydraulic rods (3) are provided in two sets, and the two sets of hydraulic rods (3) are symmetrically installed on the top of the base (2). The compaction device (5) is located above the limiting device (4), and the limiting device (4) is installed on the two sets of hydraulic rods (3). The two sets of hydraulic rods (3) are connected to the bottom of the compaction device (5). The limiting device (4) includes a first mounting block (6), a second mounting block (7), and a limiting block (8). The first mounting block (6) and the second mounting block (7) are symmetrically distributed. The limiting block (8) is installed between the first mounting block (6) and the second mounting block (7). The limiting block (8) has a rectangular structure. A limiting groove (9) is opened at the top of the limiting block (8). The limiting groove (9) has a rectangular structure. The front end of the limiting groove (9) is a through structure. A limiting baffle (10) is provided at the rear end of the limiting groove (9). An embedding block (11) is provided at both the left and right ends of the limiting block (8). The embedding block (11) has a rectangular structure. A set of small fixing holes (13) symmetrically distributed are opened at the top of the embedding block (11).

2. The column grid structure for solder paste printing on circuit boards according to claim 1, characterized in that: The first mounting block (6) and the second mounting block (7) are both Z-shaped structures. The first mounting block (6) and the second mounting block (7) have an embedding groove (12) on their inner sides. The embedding groove (12) is rectangular. The top of the first mounting block (6) and the second mounting block (7) are provided with a set of small fixing holes (13) distributed symmetrically. The surface of the first mounting block (6) and the second mounting block (7) is provided with a set of through holes (14) distributed symmetrically.

3. The column grid structure for solder paste printing on circuit boards according to claim 1, characterized in that: The compaction device (5) includes a first loading block (15), a second loading block (16), and a printed steel mesh (17). The first loading block (15) and the second loading block (16) are distributed in a horizontally symmetrical manner. The printed steel mesh (17) is installed on the top of the first loading block (15) and the second loading block (16). The printed steel mesh (17) has insertion holes (14) at each of its four corners.

4. The column grid structure for solder paste printing on a circuit board according to claim 3, characterized in that: Both the first loading block (15) and the second loading block (16) are L-shaped. The top of both the first loading block (15) and the second loading block (16) is provided with a set of positioning bolts (18) distributed symmetrically. The top of the positioning bolt (18) is provided with a fitting head (20), which is arc-shaped. A locking nut (19) is installed on the positioning bolt (18).

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