CN216485386U - Novel structure for testing circuit board - Google Patents

Abstract

The utility model discloses a novel structure of circuit board test, including examining test table and stand, examine test table and stand, install the mount table between the stand, the top fixedly connected with circuit test machine of mount table, the mounting groove has been seted up to the inside of mount table, the internally mounted of mounting groove has the pneumatic cylinder, the output of pneumatic cylinder is provided with the hydraulic stem, the bottom fixedly connected with mount of hydraulic stem, fixedly connected with telescopic link respectively between the both sides on mount top and the mount table bottom. This novel structure of circuit board test is through being provided with splint, cylinder, piston rod, and two sets of cylinders start simultaneously, and the pulling carriage release lever will be placed the board and from the slight centre gripping in both sides, places the displacement of board and rocks when avoiding removing, comes the detection needle below when detecting circuit board, improves the stability of circuit board in the testing process, avoids detecting the improper fluctuation of numerical value, has solved the problem of migration skew.

Description

Novel structure for testing circuit board

Technical Field

The utility model relates to a circuit board test technical field specifically is a novel structure of circuit board test.

Background

The circuit board needs to be subjected to quality detection before leaving the factory so as to ensure the yield. The most common detection method is to utilize detection equipment to test current, voltage, resistance and the like of pins on a circuit board, and reject defective products with poor quality or damage according to various parameters. The detection speed is slower by manually holding the detection head, the detection efficiency is poor, and the stability is not good. Therefore, a novel test structure of the tester needs to be designed, efficient detection is completed through coordination of automatic units such as lifting, moving and clamping, and the productivity is guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel structure of circuit board test to it grips the detection head with the manual work and detects speed slower to provide in solving above-mentioned background art, and detection efficiency is poor, the not good problem of stability yet.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel structure of circuit board test, is including examining test table and stand, examine test table and stand, install the mount table between the stand, the top fixedly connected with circuit test machine of mount table, the mounting groove has been seted up to the inside of mount table, the internally mounted of mounting groove has the pneumatic cylinder, the output of pneumatic cylinder is provided with the hydraulic stem, the bottom fixedly connected with mount of hydraulic stem, fixedly connected with telescopic link respectively between the both sides on mount top and the mount table bottom, the bottom of mount is provided with the multiunit and detects the needle, detect needle and circuit test machine electric connection, the below of detecting the needle is provided with the mobile station.

Preferably, the middle position department fixedly connected with fixing base on examining test table top, the inside swing joint of fixing base has the threaded rod, the screw thread piece has been cup jointed to the outside of threaded rod, the equal fixedly connected with chassis in both sides of screw thread piece, the both sides opening of fixing base, the chassis removes at fixing base both sides opening part.

Preferably, servo motor is installed to the other end of fixing base, servo motor's output passes through shaft coupling and threaded rod fixed connection.

Preferably, a placing plate is arranged at the top end of the mobile station, four groups of slots are arranged in the placing plate, and the detection circuit board is placed in the slots.

Preferably, the equal fixedly connected with cylinder in both sides of mobile station bottom, the output of cylinder passes through piston rod fixedly connected with carriage release lever, the top fixedly connected with splint of carriage release lever, splint set up in the both sides of placing the board.

Preferably, a preformed groove is formed in the mobile station, and the moving rod is embedded in the preformed groove and is in sliding connection with the mobile station.

Compared with the prior art, the beneficial effects of the utility model are that: the novel structure for testing the circuit board not only realizes quick and automatic detection, stable and efficient detection, realizes no need of manually pushing or placing the circuit board for moving, reduces manpower consumption, but also realizes improvement of the stability of the circuit board in the detection process;

(1) the hydraulic cylinder, the hydraulic rod, the fixing frame, the telescopic rods and the detection needles are arranged, the hydraulic cylinder is arranged in the mounting groove in the mounting table, when the hydraulic cylinder pushes down the fixing frame through the hydraulic rod, the fixing frame descends, meanwhile, the two groups of telescopic rods extend, the telescopic rods can guarantee the lifting stability of the fixing frame, the risk caused by falling of the fixing frame is prevented, the fixing frame moves downwards to drive the detection needles to contact with the detection circuit board for detection, the detection needle ascends again after the detection is finished, the quick automatic detection is realized, and the detection is stable and efficient;

(2) the automatic movement detection device is provided with the servo motor, the threaded rod, the threaded block, the underframe and the mobile station, the output end of the servo motor drives the threaded rod to rotate through the coupler, the threaded block sleeved outside the threaded rod converts the rotary motion into linear motion, the whole mobile station is driven to move forwards through the underframe supports movable on two sides of the fixed seat, each group of circuit boards is detected, the detection needle is lifted and moved again, the next group of circuit boards comes below the detection needle, and the detection needle is lowered, so that the automatic movement detection is completed on four groups of circuit boards one by one, the detection efficiency is high, the circuit boards do not need to be pushed or placed manually to move, and the labor consumption is reduced;

(3) through being provided with splint, the cylinder, the piston rod, splint are placing the board both sides, two sets of cylinders start simultaneously, will place the board and hold from the slight centre gripping in both sides through piston rod pulling carriage release lever in the reservation tank of mobile station, place the displacement of board and rock when avoiding removing, come to the detection needle below when detecting circuit board, the back centre gripping that detects and finish loosens, the staff takes off and places the board, this mechanism is through automatic centre gripping, can improve the stability of circuit board in the testing process, avoid detecting the improper fluctuation of numerical value.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the top-down cross-sectional structure of the fixing base of the present invention;

fig. 3 is a front view structure diagram of the mounting table of the present invention;

fig. 4 is a schematic view of the overlooking structure of the placing board of the present invention.

In the figure: 1. a circuit tester; 2. an installation table; 3. a hydraulic cylinder; 4. a telescopic rod; 5. a fixed mount; 6. a splint; 7. a mobile station; 8. a travel bar; 9. a cylinder; 10. a thread block; 11. a threaded rod; 12. a fixed seat; 13. a chassis; 14. a detection table; 15. placing the plate; 16. a detection pin; 17. a hydraulic lever; 18. a column; 19. mounting grooves; 20. a slot position; 21. detecting the circuit board; 22. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a novel structure for testing a circuit board comprises a detection table 14 and upright columns 18, the detection table 14 and the upright columns 18 are installed between the upright columns 18, an installation table 2 is installed between the upright columns 18, a circuit testing machine 1 is fixedly connected to the top end of the installation table 2, an installation groove 19 is formed in the installation table 2, a hydraulic cylinder 3 is installed in the installation groove 19, an output end of the hydraulic cylinder 3 is provided with a hydraulic rod 17, the bottom end of the hydraulic rod 17 is fixedly connected with a fixed frame 5, telescopic rods 4 are respectively and fixedly connected between two sides of the top end of the fixed frame 5 and the bottom end of the installation table 2, the bottom end of the fixed frame 5 is provided with a plurality of groups of detection pins 16, the detection pins 16 are electrically connected with the circuit testing machine 1, and a moving table 7 is arranged below the detection pins 16;

specifically, as shown in fig. 1 and 3, be provided with pneumatic cylinder 3 in the inside mounting groove 19 of mount table 2, push down mount 5 through hydraulic stem 17 when pneumatic cylinder 3, mount 5 descends, meanwhile, two sets of telescopic links 4 extend, telescopic link 4 can guarantee the stability that mount 5 goes up and down, prevent that mount 5 from droing the risk that causes, mount 5 moves down and drives detection needle 16 and contact detection circuitry board 21 and detect, rise once more after the detection finishes and reset, realize quick automated inspection, it is stable high-efficient to detect.

Example 2: a fixed seat 12 is fixedly connected to the middle position of the top end of the detection table 14, a threaded rod 11 is movably connected to the inside of the fixed seat 12, a threaded block 10 is sleeved on the outside of the threaded rod 11, two sides of the threaded block 10 are fixedly connected with bottom frames 13, two sides of the fixed seat 12 are provided with openings, the bottom frames 13 move at the openings on the two sides of the fixed seat 12, a servo motor 22 is installed at the other end of the fixed seat 12, and the output end of the servo motor 22 is fixedly connected with the threaded rod 11 through a coupler;

specifically, as shown in fig. 1 and 2, the output end of the servo motor 22 drives the threaded rod 11 to rotate through the coupler, the threaded block 10 sleeved outside the threaded rod 11 converts the rotary motion into linear motion, the whole mobile station 7 is supported and driven to move forwards through the underframe 13 moving on two sides of the fixed seat 12, each group of circuit boards is detected, the detection pin 16 rises and moves again, the next group of circuit boards comes to the position below the detection pin 16, the detection pin 16 descends, automatic movement detection is completed on four groups of circuit boards one by one, the detection efficiency is high, manual pushing or circuit board placing is not needed to move, and the labor consumption is reduced.

Example 3: a placing plate 15 is arranged at the top end of the mobile station 7, four groups of groove positions 20 are arranged inside the placing plate 15, a detection circuit board 21 is placed inside the groove positions 20, air cylinders 9 are fixedly connected to two sides of the bottom end of the mobile station 7, a moving rod 8 is fixedly connected to the output end of each air cylinder 9 through a piston rod, clamping plates 6 are fixedly connected to the top end of each moving rod 8, the clamping plates 6 are arranged on two sides of the placing plate 15, a reserved groove is formed in the mobile station 7, and the moving rod 8 is embedded in the reserved groove and is in sliding connection with the mobile station 7;

specifically, as shown in fig. 1 and 4, splint 6 are placing board 15 both sides, two sets of cylinders 9 start simultaneously, will place board 15 and slightly grasp from both sides in the reservation groove of mobile station 7 through piston rod pulling carriage release 8, place the displacement of board 15 and rock when avoiding removing, come to the detection needle 16 below when detecting circuit board 21, the back centre gripping that detects finishes unclamps, the staff takes off and places board 15, this mechanism is through automatic centre gripping, can improve the stability of the circuit board in the testing process, avoid detecting the improper undulant of numerical value.

The working principle is as follows: when the utility model is used, a worker firstly places the circuit boards into the groove position 20 one by one, the placing plate 15 is placed at the top end of the mobile station 7, the clamping plate 6 is arranged at two sides of the placing plate 15, the two groups of cylinders 9 are started simultaneously, the moving rod 8 is pulled by the piston rod to slightly clamp the placing plate 15 from two sides in the preformed groove of the mobile station 7, the displacement and shaking of the placing plate 15 during moving are avoided, the output end of the servo motor 22 drives the threaded rod 11 to rotate through the shaft coupling, the threaded block 10 sleeved outside the threaded rod 11 converts the rotary motion into linear motion, the whole mobile station 7 is supported and driven to move forwards through the underframe 13 which is movable at two sides of the fixed seat 12, after the position below the detection needle 16 is reached, the hydraulic cylinder 3 pushes down the fixed frame 5 through the hydraulic rod 17, the fixed frame 5 descends, meanwhile, the two groups of telescopic rods 4 extend, the fixed frame 5 moves downwards to drive the detection needle 16 to contact the detection circuit board 21 for detection, after each group of circuit boards is detected, the detection pin 16 is lifted, the mobile station 7 moves again, the next group of circuit boards comes under the detection pin 16, and the detection pin 16 descends, so that the four groups of circuit boards are automatically moved and detected one by one.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A novel structure for testing a circuit board comprises a detection table (14) and a stand column (18), and is characterized in that: the detection device comprises detection tables (14) and upright columns (18), wherein mounting tables (2) are mounted between the upright columns (18), a circuit testing machine (1) is fixedly connected to the top ends of the mounting tables (2), mounting grooves (19) are formed in the mounting tables (2), hydraulic cylinders (3) are mounted in the mounting grooves (19), hydraulic rods (17) are arranged at the output ends of the hydraulic cylinders (3), fixing frames (5) are fixedly connected to the bottom ends of the hydraulic rods (17), telescopic rods (4) are respectively and fixedly connected between the two sides of the top ends of the fixing frames (5) and the bottom ends of the mounting tables (2), a plurality of groups of detection needles (16) are arranged at the bottom ends of the fixing frames (5), the detection needles (16) are electrically connected with the circuit testing machine (1), and a moving table (7) is arranged below the detection needles (16).

2. The novel structure of claim 1, characterized in that: examine intermediate position department fixedly connected with fixing base (12) on test table (14) top, the inside swing joint of fixing base (12) has threaded rod (11), thread piece (10) have been cup jointed to the outside of threaded rod (11), the equal fixedly connected with chassis (13) in both sides of thread piece (10), the both sides opening of fixing base (12), chassis (13) are removed at fixing base (12) both sides opening part.

3. The novel structure of claim 2, characterized in that: servo motor (22) are installed to the other end of fixing base (12), servo motor (22)'s output passes through shaft coupling and threaded rod (11) fixed connection.

4. The novel structure of claim 1, wherein: the top end of the mobile station (7) is provided with a placing plate (15), four groups of slot positions (20) are arranged in the placing plate (15), and a detection circuit board (21) is placed in the slot positions (20).

5. The novel structure of claim 1, wherein: the equal fixedly connected with cylinder (9) in both sides of mobile station (7) bottom, piston rod fixedly connected with carriage release lever (8) is passed through to the output of cylinder (9), the top fixedly connected with splint (6) of carriage release lever (8), splint (6) set up the both sides of placing board (15).

6. The novel structure of claim 5, wherein: a preformed groove is formed in the mobile station (7), and the moving rod (8) is embedded in the preformed groove and is in sliding connection with the mobile station (7).

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