Circuit board placing rack

Abstract

The utility model relates to the field of circuit board processing, in particular to a circuit board placing rack which comprises a bottom plate, containing grooves are evenly formed in the bottom plate, a supporting plate and a fixing rod are fixed to the two sides of the bottom plate respectively, supporting rods are fixed to the two ends of the supporting plate respectively, and limiting rods are fixed to the two ends of the fixing rod respectively. Positioning rods are further symmetrically arranged on the two sides of the upper portion of the bottom plate, the positioning rods are slidably connected with the supporting rods and the limiting rods, positioning columns are fixed to the tail ends of the two positioning rods, sliding sleeves slidably connected with the fixing rods are arranged on the fixing rods, and limiting columns are further symmetrically fixed to the two sides of the sliding sleeves. The limiting columns are connected with the positioning columns at the corresponding positions through push rods, positioning springs are further arranged on the fixing rods, one ends of the positioning springs are fixed to the fixing rods, and the other ends of the positioning springs are fixed to the sliding sleeves. After the circuit board is fixed by the device, two ends of the circuit board are fixed by the positioning rods, so that the circuit board can be effectively prevented from sliding off from the placing rack.

Description

Technical Field

[0001] The invention relates to the field of circuit board processing, and in particular to a circuit board placement rack. Background Art

[0002] Circuit board is also called PCB (Printed Circuit Board), which is mainly composed of pads, vias, mounting holes, wires, components, connectors, etc. Printed circuit boards are mainly divided into: rigid and flexible printed circuit boards, single-layer, double-layer and multi-layer printed circuit boards, etc.

[0003] The production and processing of circuit boards involves multiple processes, such as welding, gluing, testing, etc.; when processing circuit boards, the circuit boards need to be placed on a placement rack and moved from one process to the next. Patent application number: CN202223149286.9 discloses a circuit board placement rack, which includes a rack body and handle assemblies arranged at both ends of the rack body. The rack body is provided with a placement plane, and a plurality of clamping and receiving grooves are opened on the placement plane, and the plurality of clamping and receiving grooves are arranged at intervals; when stacking, the circuit board stands upright on the placement plane, and one side of the circuit board is clamped and positioned by the clamping and receiving groove, but after this type of placement rack fixes the circuit board, there is no obstruction on both sides of the circuit board. When the placement rack is transported, the circuit board is at risk of slipping out of the receiving groove and damaging the circuit board.

[0004] The present invention is proposed in view of the deficiencies in the prior art. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a circuit board placement rack.

[0006] The present invention can be implemented by the following technical solutions:

[0007] The present invention discloses a circuit board placement rack, comprising a base plate, wherein accommodating grooves are evenly arranged on the base plate, and a supporting plate and a fixing rod are respectively fixed on both sides of the base plate, and supporting rods are respectively fixed on both ends of the supporting plate, and limiting rods are respectively fixed on both ends of the fixing rod, and positioning rods are symmetrically arranged on both sides above the base plate, and the positioning rods are slidably connected with the supporting rod and the limiting rod, and positioning columns are fixed at the ends of the two positioning rods, and sliding sleeves slidably connected with the fixing rods are arranged on the fixing rods, and limiting columns are symmetrically fixed on both sides of the sliding sleeves, and the limiting columns are connected to the positioning columns at corresponding positions through push rods, and a positioning spring is also arranged on the fixing rod, and one end of the positioning spring is fixed to the fixing rod, and the other end of the positioning spring is fixed to the sliding sleeve. When fixing the circuit board, the bottom of the circuit board is inserted into the receiving groove on the bottom plate in sequence, the two ends of the circuit board are fixed by the positioning rods, and the sliding sleeve is pushed downward by the positioning spring, one end of the push rod is rotatably connected to the positioning column, and the other end of the push rod is rotatably connected to the limit column, and the sliding sleeve pulls the positioning rod through the push rod to fix the circuit board. After the circuit board is fixed by this device, the two ends of the circuit board are fixed by the positioning rods, which can effectively prevent the circuit board from slipping off the placement rack when the circuit board is transported.

[0008] Preferably, the positioning rod is a U-shaped structure.

[0009] Preferably, the sliding sleeve is also fixed with a limiting device, the limiting device includes a limiting tube fixed on the sliding sleeve, a limiting block is arranged in the limiting tube, a fixing column is fixed on one side of the limiting block, a connecting rod is fixed on the other side of the limiting block, a fixing block is also fixed at the end of the connecting rod, a limiting spring is also fixed in the limiting tube on one side of the limiting block, a through hole penetrating the sliding sleeve is also arranged on the sliding sleeve, and a limiting hole used in conjunction with the fixing column is also arranged on the fixing rod. Place the circuit board, slide the sliding sleeve upward, after the fixing column reaches the position of the limiting hole, the limiting spring pushes the limiting block, the fixing column can be inserted into the limiting hole, and when the sliding sleeve rises, the push rod pushes the positioning rods away from each other, which is convenient for placing the circuit board. After the circuit board is placed, pull the fixing block, the fixing column is separated from the limiting hole, and then slide the sliding sleeve to fix the circuit board.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] After the device fixes the circuit board, both ends of the circuit board are fixed by positioning rods, which can effectively prevent the circuit board from sliding off the placement rack when the circuit board is transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] Figure 2It is a front view of the present invention;

[0015] Figure 3 for Figure 2 Sectional view at AA;

[0016] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0017] In the figure: 1, bottom plate; 2, receiving groove; 3, support plate; 4, support rod; 5, positioning rod; 6, fixing rod; 7, limiting rod; 8, positioning column; 9, sliding sleeve; 10, limiting column; 11, push rod; 12, limiting device; 13, limiting hole; 14, limiting tube; 15, limiting block; 16, fixing column; 17, connecting rod; 18, limiting spring; 19, fixing block; 20, through hole; 21, positioning spring; DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below with reference to the accompanying drawings:

[0019] Embodiment 1:

[0020] like Figure 1 and Figure 4 As shown, the present embodiment discloses a circuit board placement rack, comprising a base plate 1, on which receiving grooves 2 are evenly arranged, support plates 3 and fixing rods 6 are respectively fixed on both sides of the base plate 1, support rods 4 are respectively fixed at both ends of the support plate 3, and limiting rods 7 are respectively fixed at both ends of the fixing rods 6, positioning rods 5 are also symmetrically arranged on both sides above the base plate 1, the positioning rods 5 are slidably connected with the support rods 4 and the limiting rods 7, positioning columns 8 are fixed at the ends of the two positioning rods 5, a sliding sleeve 9 slidably connected with the fixing rod 6 is arranged on the fixing rod 6, and limiting columns 10 are symmetrically fixed on both sides of the sliding sleeve 9, the limiting columns 10 are connected to the positioning columns 8 at corresponding positions through a push rod 11, and a positioning spring 21 is also arranged on the fixing rod 6, one end of the positioning spring 21 is fixed to the fixing rod 6, and the other end of the positioning spring 21 is fixed to the sliding sleeve 9. When fixing the circuit board, the bottom of the circuit board is inserted into the receiving groove 2 on the base plate 1 in sequence, the two ends of the circuit board are fixed by the positioning rod 5, and the sliding sleeve 9 is pushed downward by the positioning spring 21, one end of the push rod 11 is rotatably connected to the positioning column 8, and the other end of the push rod 11 is rotatably connected to the limit column 10, and the sliding sleeve 9 pulls the positioning rod 5 through the push rod 11 to fix the circuit board. After the circuit board is fixed by this device, the two ends of the circuit board are fixed by the positioning rod 5, which can effectively prevent the circuit board from slipping off the placement rack when the circuit board is transported.

[0021] Wherein, the positioning rod 5 is a U-shaped structure.

[0022] Embodiment 2:

[0023] The present embodiment discloses a circuit board placement rack. Based on the structure and principle of the first embodiment, a limiting device 12 is further fixed on the sleeve 9 of the present embodiment. The limiting device 12 comprises a limiting tube 14 fixed on the sleeve 9. A limiting block 15 is arranged in the limiting tube 14. A fixing column 16 is fixed on one side of the limiting block 15. A connecting rod 17 is fixed on the other side of the limiting block 15. A fixing block 19 is also fixed at the end of the connecting rod 17. A limiting spring 18 is also fixed in the limiting tube 14 on one side of the limiting block 15. A through hole 20 penetrating the sleeve 9 is also arranged on the sliding sleeve 9. A limiting hole 13 used in conjunction with the fixing column 16 is also arranged on the fixing rod 6. Place the circuit board and slide the sleeve 9 upwards. After the fixed column 16 reaches the position of the limiting hole 13, the limiting spring 18 pushes the limiting block 15, so that the fixed column 16 can be inserted into the limiting hole 13, and when the sleeve 9 rises, the push rod 11 pushes the positioning rods 5 away from each other, which is convenient for placing the circuit board. After the circuit board is placed, pull the fixing block 19, and after the fixing column 16 is separated from the limiting hole 13, slide the sleeve 9 to fix the circuit board.

[0024] The above are only preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, substitutions and variations should also be regarded as the scope of protection of the present invention.

Claims

1. A circuit board placement rack, comprising a bottom plate, characterized in that: The cam is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts.

2. The circuit board placement rack according to claim 1, characterized in that: The positioning rod is a U-shaped structure.

3. The circuit board placement rack according to claim 1, characterized in that: A limiting device is also fixed on the sliding sleeve, and the limiting device includes a limiting tube fixed on the sliding sleeve, a limiting block is arranged in the limiting tube, a fixing column is fixed on one side of the limiting block, a connecting rod is fixed on the other side of the limiting block, a fixing block is also fixed to the end of the connecting rod, a limiting spring is also fixed in the limiting tube on one side of the limiting block, a through hole penetrating the sliding sleeve is also arranged on the sliding sleeve, and a limiting hole used in conjunction with the fixing column is also arranged on the fixing rod.

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