Fixing device convenient for PCB (Printed Circuit Board) detection

Abstract

The utility model belongs to the technical field of PCB (Printed Circuit Board) detection, in particular to a fixing device convenient for PCB detection, and provides the following scheme: the fixing device comprises a base, an adjusting mechanism arranged on the base and a positioning mechanism arranged on the adjusting mechanism, the adjusting mechanism comprises an electric push rod, a rack, a fixing block, a gear, a connecting shaft, an outer ring and an inner ring, the electric push rod is installed on one side of the base, the rack moves up and down along a fixing block fixed to one side of the base, and the number of the connecting shafts is two. According to the utility model, PCBs with different sizes and different thicknesses can be clamped and positioned, the angle of the PCB can be adjusted as required, detection is facilitated, and the other side of the PCB can be adjusted for detection without disassembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board detection technical field especially, relates to a kind of fixing device convenient for PCB board detection. BACKGROUND

[0002] PCB is printed circuit board, simply called printed board, and is one of important components in electronic industry. Almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as integrated circuit and other electronic components, in order to make electrical interconnection between each component, printed board is used. Printed circuit board is composed of insulating base plate, connecting wire and pad for assembling and welding electronic components, and has the dual role of conductive circuit and insulating base plate.

[0003] However, the fixing device used at present is not convenient for fixing and adjusting PCB boards of different sizes and thicknesses, and it is not convenient to detect the back during detection. It must be disassembled and taken down, and then re-fixed, which is troublesome and time-consuming. UTILITY MODEL CONTENTS

[0004] The utility model aims at the defects of prior art, and provides a kind of fixing device convenient for PCB board detection to solve the problems raised in the above background.

[0005] A kind of fixing device convenient for PCB board detection, including base and installation on the adjusting mechanism of base and installation on the positioning mechanism of adjusting mechanism, the adjusting mechanism includes electric push rod, rack, fixed block, gear, connecting shaft, outer ring and inner ring, the electric push rod is installed on one side of base, the rack moves up and down along the fixed block fixed on one side of base, the connecting shaft is two, respectively rotationally installed on the two sides of base, the gear is fixedly connected with one of connecting shaft, and is drivingly connected with rack, the outer ring is fixedly installed between two connecting shafts, the inner ring is rotationally installed at the inner circle of outer ring;

[0006] The positioning mechanism includes limiting mechanism, the limiting mechanism includes support block, connecting rod, adjusting plate, adjusting bolt one, clamping plate and adjusting bolt two, the support block is two groups and is oppositely installed on the upper end and lower end of the two sides of outer ring, the connecting rod is set through support block, and can be locked by adjusting bolt two, the adjusting plate is fixedly installed at the end of connecting rod, the adjusting bolt one is rotationally installed at the top of adjusting plate, the clamping plate is rotationally connected with adjusting bolt one, and slides up and down along the sliding slot of adjusting plate, and is clamped and limited with the support table of adjusting plate to PCB board.

[0007] By adopting the technical scheme, the device can clamp and position PCB boards of different sizes and thicknesses, and can adjust the angle of the PCB board as required, facilitate detection, and also can adjust the other side of the PCB board for detection without disassembly.

[0008] The rack is provided with a sliding groove on one side of the fixed block, for sliding the rack up and down along the fixed block.

[0009] By adopting the technical scheme, the angle of the PCB board can be adjusted.

[0010] The inner ring is provided with a protruding ring plate at the outer circle, the ring plate of the inner ring is embedded in the annular groove of the outer ring, the rotation of the inner ring is realized, and the thickness of the inner ring is greater than that of the outer ring.

[0011] By adopting the technical scheme, the inner ring can rotate in the outer ring.

[0012] The limiting mechanism is provided in four groups and is uniformly arranged on the inner ring.

[0013] By adopting the technical scheme, the PCB board is limited.

[0014] The support table is arranged in correspondence with the clamping plate of the same group in up and down and horizontally.

[0015] By adopting the technical scheme, the PCB board is limited.

[0016] The beneficial effects of the fixing device for PCB board detection of the utility model are:

[0017] The device can clamp and position PCB boards of different sizes and thicknesses, and can adjust the angle of the PCB board as required, facilitate detection, and also can adjust the other side of the PCB board for detection without disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The fixing device for PCB board detection of the utility model is a whole structure schematic view;

[0019] Fig. 2 The limiting mechanism structure schematic view of the fixing device for PCB board detection of the utility model.

[0020] In the figure: 1, base; 2, electric push rod; 3, rack; 4, fixed block; 5, gear; 6, connecting shaft; 7, outer ring; 8, inner ring; 9, limiting mechanism; 901, support block; 902, connecting rod; 903, adjusting plate; 9031, sliding groove; 9032, support table; 904, adjusting bolt one; 905, clamping plate; 906, adjusting bolt two. DETAILED DESCRIPTION

[0021] The advantages and features of the present application will be more clearly understood from the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings, although variations of them will occur to those skilled in the art, to which the overall scope of the present application is intended to be broader.

[0022] Referring to Figs. 1-2 A fixing device convenient for PCB detection, comprising a base 1, an adjusting mechanism mounted on the base 1, and a positioning mechanism mounted on the adjusting mechanism, the adjusting mechanism comprising an electric push rod 2, a rack 3, a fixed block 4, a gear 5, a connecting shaft 6, an outer ring 7, and an inner ring 8, the electric push rod 2 being mounted on one side of the base 1, the rack 3 being movable up and down along the fixed block 4 fixed on one side of the base 1, the connecting shaft 6 being two, rotatably mounted on the two side plates of the base 1 respectively, the gear 5 being fixedly connected with one of the connecting shafts 6 and being in transmission connection with the rack 3, the outer ring 7 being fixedly mounted between the two connecting shafts 6, and the inner ring 8 being rotatably mounted at the inner ring of the outer ring 7.

[0023] The positioning mechanism comprises a limiting mechanism 9, the limiting mechanism 9 comprising support blocks 901, connecting rods 902, adjusting plates 903, adjusting bolts one 904, clamping plates 905, and adjusting bolts two 906, the support blocks 901 being two groups of upper and lower ends oppositely mounted on the two sides of the outer ring 7, the connecting rods 902 being arranged through the support blocks 901 and lockable through the adjusting bolts two 906, the adjusting plates 903 being fixedly mounted on the end portions of the connecting rods 902, the adjusting bolts one 904 being rotatably mounted on the top ends of the adjusting plates 903, the clamping plates 905 being in rotary connection with the adjusting bolts one 904 and being movable up and down along the sliding grooves 9031 of the adjusting plates 903, and the clamping plates 905 being in cooperation with the support tables 9032 of the adjusting plates 903 to clamp and limit the PCB.

[0024] The PCB can be placed at the inner ring of the inner ring 8, the adjusting plate 903 is moved to the direction of the PCB, so that the PCB is supported by the support table 9032, the connecting rod 902 is locked by rotating the adjusting bolt two 906, the clamping plate 905 is moved downward by rotating the adjusting bolt one 904 at the upper end of the adjusting plate 903, and the PCB is clamped at the clamping plate 905 and the support table 9032.

[0025] The angle of the PCB can be adjusted as needed, the inner ring 8 is rotated in the outer ring 7, the angle of the PCB in the horizontal direction is adjusted, the electric push rod 2 is driven to move the rack 3 up and down along the fixed block 4, the fixed block 4 drives the connecting shaft 6 to rotate through the gear 5, and then the outer ring 7 is controlled to realize overturning, the angle of the PCB in the longitudinal direction is adjusted, and after the front surface of the PCB is detected, the electric push rod 2 is driven to control the outer ring 7 to overturn by one hundred and eighty degrees, and the back surface of the PCB is detected.

[0026] The device can clamp and position PCB boards of different sizes and thicknesses, and can adjust the angle of the PCB board as required, facilitate detection, and also can adjust the other side of the PCB board for detection without disassembly.

[0027] The rack 3 is provided with a sliding groove on the side facing the fixed block 4, for the rack 3 to slide up and down along the fixed block 4, to ensure the stability of the up and down movement of the rack 3.

[0028] The inner ring 8 is provided with a protruding ring plate at the outer circle, the ring plate of the inner ring 8 is embedded in the annular groove of the outer ring 7, the rotation of the inner ring 8 is realized, and the thickness of the inner ring 8 is greater than the thickness of the outer ring 7; the connecting rod 902 is installed on the inner ring 8, when the inner ring 8 is rotated, it will not be in contact with the outer ring 7, and will not be affected by the outer ring 7.

[0029] The limiting mechanism 9 is provided in four groups and is uniformly arranged on the inner ring 8; the four edges of the PCB board are limited, so as to facilitate subsequent angle and position adjustment, and the front and back surfaces of the PCB board can be detected without disassembly and adjustment.

[0030] The support table 9032 corresponds to the clamping plate 905 in the same group and is arranged horizontally; so as to clamp and limit the edge of the PCB board.

[0031] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A fixing device for facilitating PCB detection, comprising a base (1), an adjusting mechanism mounted on the base (1), and a positioning mechanism mounted on the adjusting mechanism, characterized in that: The adjusting mechanism comprises an electric push rod (2), a rack (3), a fixed block (4), a gear (5), a connecting shaft (6), an outer ring (7) and an inner ring (8), the electric push rod (2) is installed on one side of the base (1), the rack (3) moves up and down on the fixed block (4) fixed on one side of the base (1), the connecting shaft (6) is two, and is rotatably installed on the two side plates of the base (1), the gear (5) is fixedly connected with one of the connecting shafts (6) and is in transmission connection with the rack (3), the outer ring (7) is fixedly installed between the two connecting shafts (6), and the inner ring (8) is rotatably installed at the inner ring (7). The positioning mechanism comprises a limiting mechanism (9), the limiting mechanism (9) comprises a supporting block (901), a connecting rod (902), an adjusting plate (903), an adjusting bolt one (904), a clamping plate (905) and an adjusting bolt two (906), the supporting block (901) is two groups of upper and lower ends oppositely installed on the two sides of the outer ring (7), the connecting rod (902) is arranged through the supporting block (901) and can be locked through the adjusting bolt two (906), the adjusting plate (903) is fixedly installed at the end of the connecting rod (902), the adjusting bolt one (904) is rotatably installed at the top end of the adjusting plate (903), the clamping plate (905) is rotatably connected with the adjusting bolt one (904) and slides up and down along the sliding groove (9031) of the adjusting plate (903) and is clamped and limited together with the supporting table (9032) of the adjusting plate (903).

2. The fixing device for facilitating PCB board detection according to claim 1, characterized in that: The rack (3) is provided with a sliding groove on one side face facing the fixed block (4), for the rack (3) to slide up and down along the fixed block (4).

3. The fixing device for facilitating PCB board detection according to claim 2, characterized in that: The inner ring (8) is rotatably installed at the inner ring (7), and the thickness of the inner ring (8) is greater than that of the outer ring (7).

4. The fixing device for facilitating PCB board detection according to claim 3, characterized in that: The limiting mechanism (9) is four groups and is evenly arranged on the inner ring (8).

5. The fixing device for facilitating PCB board detection according to claim 4, characterized in that: The supporting table (9032) corresponds to the clamping plate (905) of the same group up and down and is horizontally arranged.

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