Circuit board detection fixing device

Abstract

The utility model discloses a circuit board detection fixing device, which comprises a detection chamber, two groups of conveying mechanisms, a distance adjusting mechanism and a fixing mechanism, and is characterized in that the two groups of conveying mechanisms are oppositely arranged, are transversely arranged in the detection chamber and are used for conveying circuit boards; the distance adjusting mechanism is arranged at the bottoms of the two conveying mechanisms and used for adjusting the distance between the two conveying mechanisms. The two fixing mechanisms are oppositely arranged at the ends, away from each other, of the two conveying mechanisms, each fixing mechanism comprises an air cylinder, a transverse plate and a pressing rod, the air cylinders are vertically arranged on the conveying mechanisms, the transverse plates are installed at the telescopic ends of the air cylinders and extend to the upper portion between the two conveying mechanisms, and the pressing rods are vertically arranged at the bottoms of the transverse plates; when the air cylinder retracts, the transverse plate drives the pressing rod to descend, and the circuit board is pressed on the conveying mechanism. According to the utility model, full-automatic equipment is adopted to realize the feeding, discharging and fixing operation of the circuit board, the continuous detection of the circuit board can be met, and the overall working efficiency can be improved while the manpower is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board detection, specifically is a kind of circuit board detection fixing device. BACKGROUND

[0002] Circuit board is the core component of electronic product, after circuit board production is completed, the performance of circuit board (such as appearance, soldering point etc.) is detected.

[0003] At present, when circuit board is detected, circuit board needs to be fixed, and currently, when detecting, circuit board is generally placed on special fixture by artificial, is clamped after detection, and circuit board is taken out after detection is finished, in the consumption of manpower, also make that working efficiency cannot be effectively promoted. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the problem proposed above, provide a kind of circuit board detection fixing device.

[0005] The utility model adopts the technical scheme as follows: a kind of circuit board detection fixing device, comprising: detection chamber;Conveying mechanism, it is two groups and is oppositely arranged, the conveying mechanism is along transverse and is located in the detection chamber, for conveying circuit board;Spacing adjustment mechanism, it is located at the bottom of two conveying mechanisms, for adjusting the spacing between two conveying mechanisms;Fixed mechanism, it is two groups and oppositely arranged at the apart end of two conveying mechanisms, wherein the fixed mechanism includes cylinder, transverse plate and press bar, the cylinder is along vertical and is arranged on the conveying mechanism, the transverse plate is installed on the telescopic end of the cylinder and extends to the above between two conveying mechanisms, the press bar is along vertical and is arranged at the bottom of the transverse plate;When the cylinder is retracted, the transverse plate drives press bar to descend, and circuit board is pressed on the conveying mechanism.

[0006] In a preferred embodiment, the conveying mechanism includes a conveying frame, a conveying belt, a drive pulley, and a plurality of guide wheels. The opposite sides of the two conveying frames are each provided with a receiving groove. The conveying belt is disposed in the receiving groove and is sleeved on the drive pulley and the guide wheels. The drive pulley is rotatably arranged on a vertical plate at the bottom of the conveying frame.

[0007] In a preferred embodiment, the vertical plate and the drive pulley are provided with a polygonal hole having the same axis. The conveying mechanism further includes a motor, a support, and a polygonal rod arranged in cooperation with the polygonal hole. The support is provided at the apart end of the two conveying frames. The two ends of the polygonal rod are cylindrical and are rotatably arranged on the support. The motor is installed on one of the supports. The output end of the motor is connected to one end of the polygonal rod. The support is installed on the detection chamber.

[0008] In a preferred embodiment, the spacing adjustment mechanism is two sets and longitudinally arranged at the bottom of the two conveying frames, the spacing adjustment mechanism comprises a bidirectional screw rod and two oppositely arranged second supports, the bidirectional screw rod is arranged between the two second supports, opposite threads are arranged on the two sides of the bidirectional screw rod, two screw nuts are arranged on the two opposite threads, the two screw nuts are respectively installed on the bottom of the conveying frame, and the two second supports are installed on the detection chamber.

[0009] In a preferred embodiment, the spacing adjustment mechanism further comprises a guide rail with the same length as the bidirectional screw rod, and the bottom of the screw nut is provided with a sliding block capable of guiding and sliding on the guide rail.

[0010] In a preferred embodiment, the spacing adjustment mechanism further comprises a transmission belt, a driving pulley and a driven pulley, the driving pulley is sleeved at one end of the bidirectional screw rod, the driven pulley is sleeved at the other end of the bidirectional screw rod, the transmission belt is sleeved on the driving pulley and the driven pulley, and the driving pulley and the driven pulley are drivingly connected through the transmission belt.

[0011] In a preferred embodiment, the end of the bidirectional screw rod with the driving pulley is provided with a hand wheel, the spacing adjustment mechanism further comprises a threaded knob, the threaded knob is vertically screwed on the second support, and the bottom of the threaded knob abuts against the bidirectional screw rod.

[0012] In a preferred embodiment, two sets of scales are symmetrically arranged on the guide rail.

[0013] In a preferred embodiment, the fixing mechanism further comprises a proximity switch and a mounting frame, the mounting frame is installed on the conveying frame, the air cylinder and the proximity switch are installed on the mounting frame, and the sensing end of the proximity switch faces the two conveying frames.

[0014] In a preferred embodiment, the bottom of the pressing rod is further sleeved with a silica gel sleeve.

[0015] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0016] 1. In the present application, full-automatic equipment is adopted to realize the feeding and fixing operations of the circuit board, the continuous detection of the circuit board can be realized, the labor can be reduced, the overall work efficiency can be improved, the present fixing device does not have the advantages, and is worth promoting.

[0017] 2. In the present application, the adjustment mechanism for adjusting the spacing of the conveying mechanism is designed at the bottom of the conveying mechanism, the spacing of the conveying mechanism can be adjusted according to different sizes of the circuit board, so that the feeding and fixing operations of the circuit board of different sizes can be realized, and the applicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A in the middle;

[0020] Figure 3 for Figure 1 The enlarged structure schematic diagram at B in the middle;

[0021] Figure 4 This is a schematic diagram of the planar structure of the center distance adjustment mechanism of the present invention.

[0022] Markings in the figure: 1-detection chamber, 2-conveyor frame, 3-proximity switch, 4-conveyor belt, 5-motor, 6-driving pulley, 7-support, 8-polygonal rod, 9-handwheel, 10-cross plate, 11-pressure rod, 12-silicone sleeve, 13-mounting frame, 14-cylinder, 15-screw nut, 16-second support, 17-transmission belt, 18-driving pulley, 19-scale, 20-guide rail, 21-slider, 22-bidirectional screw. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] Reference Figures 1-4 A circuit board detection and fixing device comprises: a detection chamber 1 (with an integral external power supply or AC power), a conveying mechanism, a spacing adjustment mechanism and a fixing mechanism. The conveying mechanism is composed of two groups and is arranged oppositely. The conveying mechanism is arranged in the detection chamber 1 along the horizontal direction for conveying the circuit board; the fixing mechanism is composed of two groups and is arranged oppositely at the ends of the two conveying mechanisms. The fixing mechanism comprises a cylinder 14, a horizontal plate 10 and a pressure rod 11. The cylinder 14 is arranged vertically on the conveying mechanism. The horizontal plate 10 is installed at the telescopic end of the cylinder 14 and extends above the two conveying mechanisms. The pressure rod 11 is arranged vertically. It is placed at the bottom of the horizontal plate 10; when the cylinder 14 retracts, the horizontal plate 10 drives the pressure rod 11 to descend, pressing the circuit board against the conveying mechanism. The fully automated conveying mechanism and fixing mechanism are used to realize the loading and unloading and fixing operations of the circuit board, which can meet the continuous detection of the circuit board, while reducing manpower and improving the overall work efficiency. It has advantages that the current fixing device does not have and is worthy of promotion. When the circuit board reaches the detection position, the cylinder 14 descends, driving the horizontal plate 10 and the pressure rod 11 to descend, and they can be pressed on both sides of the circuit board to realize the auxiliary fixing operation of the circuit board.

[0025] Further, the conveying mechanism comprises the conveying frames 2, the conveying belts 4, the driving pulleys 6 and a plurality of guide pulleys, the opposite sides of the two conveying frames 2 are provided with accommodating grooves, the conveying belts 4 are arranged in the accommodating grooves and are sleeved on the driving pulleys 6 and the guide pulleys, the driving pulleys 6 are rotatably arranged on the vertical plates at the bottom of the conveying frames 2, the vertical plates and the driving pulleys 6 are provided with coaxial polygonal holes, the conveying mechanism further comprises the motors 5, the supports 7, the polygonal rods 8 arranged in cooperation with the polygonal holes, the supports 7 are arranged at the positions away from each other of the two conveying frames 2, the two ends of the polygonal rods 8 are cylindrical and are rotatably arranged on the supports 7, the motors 5 are installed on one of the supports 7, the output ends of the motors 5 are connected with one end of the polygonal rods 8, and the supports 7 are installed on the detection chamber 1. In the above process, the circuit board is placed on the conveying belts 4, then the motors 5 are operated to drive the polygonal rods 8 to rotate, in the process of rotating the polygonal rods 8, the driving pulleys 6 are driven to rotate, and the driving pulleys 6 and the guide pulleys are matched to realize the rotating operation of the conveying belts 4, so that the feeding and discharging operations of the circuit board can be realized. The polygonal rods 8 have the advantages that the driving pulleys 6 can be driven to rotate while moving leftward and rightward, so that the polygonal rods 8 will not interfere with the subsequent interval adjustment.

[0026] Preferably, the polygonal rods 8 are hexagonal, and can also be pentagonal or other polygons, which are not limited herein.

[0027] Further, the interval adjustment mechanism is arranged at the bottom of the two conveying mechanisms and is used for adjusting the interval between the two conveying mechanisms, the interval adjustment mechanism is arranged at the bottom of the two conveying frames 2 in two groups and longitudinally, and the interval adjustment mechanism comprises the bidirectional screw rods 22 and the two second supports 16 arranged oppositely, the bidirectional screw rods 22 are rotatably arranged between the two second supports 16, the two sides of the bidirectional screw rods 22 are provided with opposite threads, and the two screw nuts 15 are arranged in cooperation on the two opposite threads, the two screw nuts 15 are installed at the bottom of the conveying frames 2, and the two second supports 16 are installed on the detection chamber 1. The interval adjustment mechanism further comprises the guide rails 20 with the same length as the bidirectional screw rods 22, the bottom of the screw nut 15 is provided with the sliding block 21 capable of guiding and sliding on the guide rail 20. By rotating the bidirectional screw rod 22 clockwise or counterclockwise, the screw nut 15 can move in opposite or opposite positions by cooperation of the sliding block 21 and the guide rail 20, so that the interval between the two conveying frames 2 can be adjusted. The interval of the conveying mechanism can be adjusted according to the size of the different circuit boards, so that the feeding, discharging and fixing operations of the circuit boards of different sizes can be realized, the applicability is stronger, and the cost of replacing other conveying mechanisms can be saved.

[0028] Further, the distance adjusting mechanism further comprises a transmission belt 17, a driving pulley 18 and a driven pulley, the driving pulley 18 is sleeved on one end of one of the two bidirectional lead screws 22, the driven pulley is sleeved on one end of the other bidirectional lead screw 22, the transmission belt 17 is sleeved on the driving pulley 18 and the driven pulley, the driving pulley 18 and the driven pulley are drivingly connected through the transmission belt 17, the end of the bidirectional lead screw 22 with the driving pulley 18 is provided with the hand wheel 9, the distance adjusting mechanism further comprises a threaded knob, the threaded knob is vertically screwed on the second support 16, the bottom of the threaded knob abuts against the bidirectional lead screw 22, when the hand wheel 9 is rotated, the driving pulley 18 and the corresponding bidirectional lead screw 22 can be driven to rotate, at this time, through the transmission of the transmission belt 17, the driven pulley and the corresponding bidirectional lead screw 22 can be driven to rotate, when the hand wheel 9 is rotated, the rotation operation of the two bidirectional lead screws 22 can be synchronously realized, which is more labor-saving and convenient, after adjustment, the threaded knob is screwed downward, and the locking operation of the bidirectional lead screw 22 can be completed.

[0029] Further, two groups of scales 19 are symmetrically arranged on the guide rails 20, and the scales 19 can help the workers to know the current size to be adjusted.

[0030] Further, the fixing mechanism further comprises a proximity switch 3 and a mounting frame 13, the mounting frame 13 is mounted on the conveying frame 2, the air cylinder 14 and the proximity switch 3 are both mounted on the mounting frame 13, the sensing end of the proximity switch 3 faces the setting plate between the two conveying frames 2, the bottom of the pressing rod 11 is further sleeved with a silica gel sleeve 12, and the silica gel sleeve 12 can buffer and protect the contact between the pressing rod 11 and the circuit board, so that the circuit board is prevented from being deformed and damaged during the fixing of the circuit board.

[0031] The above merely describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A circuit board detection and fixing device, characterized in that: The utility model provides a kind of circuit board detection device, including: Detection chamber; Conveying mechanism, which is two groups and is oppositely arranged, is provided in the detection chamber along the transverse direction for conveying circuit boards; Spacing adjustment mechanism, which is provided at the bottom of the two conveying mechanisms, is used to adjust the spacing between the two conveying mechanisms; Fixing mechanism, which is two groups and is oppositely arranged at the opposite ends of the two conveying mechanisms, includes a cylinder, a horizontal plate and a pressing rod, the cylinder is vertically arranged on the conveying mechanism, the horizontal plate is installed at the telescopic end of the cylinder and extends above the space between the two conveying mechanisms, and the pressing rod is vertically arranged at the bottom of the horizontal plate; When the cylinder is retracted, the horizontal plate drives the pressing rod to descend, and the circuit board is pressed on the conveying mechanism.

2. The circuit board inspection fixture of claim 1, wherein: The conveying mechanism includes conveying frames, a conveying belt, a driving pulley and a plurality of guide wheels, the opposite sides of the two conveying frames are provided with accommodating grooves, the conveying belt is arranged in the accommodating grooves and is sleeved on the driving pulley and the guide wheels, and the driving pulley is rotatably arranged on the vertical plate at the bottom of the conveying frame.

3. The circuit board inspection fixture of claim 2, wherein: The vertical plate and the driving pulley are provided with polygonal holes with the same center, and the conveying mechanism further includes a motor, a support, and a polygonal rod matched with the polygonal holes, the support is provided at the opposite ends of the two conveying frames, the ends of the polygonal rod are cylindrical and are rotatably arranged on the support, the motor is installed on one of the supports, the output end of the motor is connected with one end of the polygonal rod, and the support is installed on the detection chamber.

4. The circuit board inspection fixture of claim 3, wherein: The spacing adjustment mechanism is longitudinally arranged at the bottom of the two conveying frames, and includes a bidirectional screw rod and two second supports arranged oppositely, the bidirectional screw rod is rotatably arranged between the two second supports, the opposite sides of the bidirectional screw rod are provided with opposite threads, two screw nuts are matched and arranged on the opposite threads, the two screw nuts are respectively installed at the bottom of the conveying frame, and the two second supports are installed on the detection chamber.

5. The circuit board inspection fixture of claim 4, wherein: The spacing adjustment mechanism further includes a guide rail with the same length as the bidirectional screw rod, and the bottom of the screw nut is provided with a sliding block capable of sliding on the guide rail.

6. The circuit board inspection fixture of claim 4, wherein: The spacing adjustment mechanism further includes a transmission belt, a driving pulley and a driven pulley, the driving pulley is sleeved on one end of the bidirectional screw rod, the driven pulley is sleeved on the other end of the bidirectional screw rod, the transmission belt is sleeved on the driving pulley and the driven pulley, and the driving pulley and the driven pulley are drivingly connected through the transmission belt.

7. A circuit board inspection fixture as claimed in claim 6, wherein: The end of the bidirectional screw rod with the driving pulley is provided with a hand wheel, the spacing adjustment mechanism further includes a threaded knob, the threaded knob is vertically screwed on the second support, and the bottom of the threaded knob abuts against the bidirectional screw rod.

8. The circuit board inspection fixture of claim 5, wherein: Two sets of scales are symmetrically arranged on the guide rail.

9. The circuit board inspection fixture of claim 2 wherein: The fixing mechanism further includes a proximity switch and a mounting bracket, the mounting bracket is installed on the conveying frame, the cylinder and the proximity switch are installed on the mounting bracket, and the sensing end of the proximity switch faces the space between the two conveying frames.

10. The circuit board inspection fixture of claim 1, wherein: The bottom of the pressing rod is further sleeved with a silica gel sleeve.

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