CN212706442U - Detection jig replacing device of CCD detection equipment - Google Patents

Abstract

The utility model discloses a CCD check out test fixture change device of check out test set, including the CCD camera that is used for gathering the image, be connected with the CCD camera be used for the image analysis device of image contrast, arrange in CCD camera dead ahead be used for the fixed detection anchor clamps that wait to detect the circuit board and arrange and keep away from the background board that is used for providing the background of shooing of CCD camera one side at detection anchor clamps. The utility model has the advantages that by arranging two symmetrical groups of push rods, when circuit boards with different sizes are required to be clamped, especially when the circuit boards with curved edges are required to be clamped, a plurality of tight supporting points can be generated on the edges of the circuit boards by the push rods, so that the circuit boards can be more comprehensively clamped, and the clamping effect is good; the arranged background plate can prevent the CCD camera from being influenced by external disordered light when the CCD camera takes a picture, and the taken picture is easier to detect; the backup plate that sets up makes things convenient for the staff to align circuit board and push rod, facilitates the use.

Description

Detection jig replacing device of CCD detection equipment

Technical Field

The utility model relates to a CCD check out test set of check out test set changes device belongs to CCD detection technology field.

Background

A CCD camera is a device for detecting the appearance of a product by optical imaging, which is commonly used in various inspection apparatuses at present. Whether the product is qualified or not and whether the product defect is in a reasonable range or not are judged by comparing the difference between the image shot by the CCD camera and the pre-stored image. The existing CCD detection device generally comprises a detection platform, an image acquisition end and an image contrast end. When changing the circuit board of different dimensions and detecting, image acquisition and image contrast are adjusted easily relatively, when detecting different products, only need to change standard reference image can, and testing platform is difficult to adapt to the fixed requirement of the circuit board of different dimensions and specifications, generally all will change in order to satisfy fixed demand to the tool, and it is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a device is changed to CCD check out test set of check out test set can the circuit board of the different size specifications of centre gripping, is curved circuit board to the edge and has good centre gripping effect equally, receives external mixed and disorderly light influence when the background board of setting can prevent that the CCD camera from shooing, and the image of shooting changes the detection.

In order to realize the purpose, a device is changed to CCD check out test fixture of CCD check out test set, including the CCD camera that is used for gathering the image, be used for the image analysis device of image contrast with the CCD camera is connected, arrange and be used for the fixed check out fixture that waits to detect the circuit board in CCD camera dead ahead and arrange and be used for providing the background board of shooing in the check out fixture and keep away from CCD camera one side, check out fixture includes two sets of push rods of symmetrical arrangement between CCD camera and background board, every group push rod includes a plurality of parallel arrangement and the even push rod in interval, the push rod is fixed in the frame, and the output of push rod is used for supporting tight circuit board, is equipped with between two sets of push rods and faces the CCD camera and fixes.

Preferably, the push rod all includes the cylinder body, alternates the body of rod in the cylinder body and arranges the connection lid at the cylinder body end, the end of the body of rod be equipped with cylinder body inner wall assorted piston, the front end of the body of rod stretches out the cylinder body and installs the contact that is used for supporting tight circuit board, is equipped with the extension spring between piston and the connection lid, connect cover be equipped with the inside communicating gas-supply pipe of cylinder body.

Preferably, the other end of the gas pipe is connected with one end of a gas mixing pipe, the other end of the gas mixing pipe is connected with a gas pump, and a gas release valve for releasing gas is arranged between the gas pipe and the gas pump on the gas mixing pipe.

Preferably, the contact is made of rubber, is hemispherical and is provided with a groove at the end part for conveniently clamping the circuit board body.

Preferably, the side of the backup plate close to the CCD camera is aligned with the side of the groove far away from the CCD camera.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the two groups of symmetrical push rods, when circuit boards with different sizes are required to be clamped, particularly when the circuit boards with curved edges are required to be clamped, the push rods can generate a plurality of abutting points on the edges of the circuit boards, so that the circuit boards can be clamped more comprehensively, and the clamping effect is good; the arranged background plate can prevent the CCD camera from being influenced by external disordered light when the CCD camera takes a picture, and the taken picture is easier to detect; the backup plate that sets up makes things convenient for the staff to align circuit board and push rod, facilitates the use.

2. Through setting up air pump, gas-mixing pipe, release valve and extension spring and gas-supply pipe etc. realized driving a plurality of push rod centre gripping circuit board with gas, it is the same to make the atmospheric pressure in each push rod through the gas-mixing pipe simultaneously, and finally every push rod is the same to the thrust of circuit board, even the edge of circuit board is the curve, also can realize even centre gripping circuit board, and the output atmospheric pressure that the accessible set up the air pump simultaneously controls the size of push rod thrust, prevents to damage the circuit board.

3. Through setting up the contact and seting up the recess, reduce the damage of push rod to the circuit board plate body to easily the circuit board aligns the push rod, the centre gripping of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the circuit board of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a schematic view of the structure of the push rod of the present invention.

In the figure: 1. the base, 2, the air pump, 3, the gas-mixing pipe, 4, the release valve, 5, the gas-supply pipe, 6, the push rod, 61, the cylinder body, 62, the body of rod, 63, contact head, 64, recess, 65, piston, 66, extension spring, 67, connection lid, 7, frame, 8, background board, 9, support, 10, backup plate, 11, CCD camera.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the embodiment of the utility model provides a detection tool change device of CCD check out test set, including the CCD camera 11 that is used for gathering the image, the image analysis device who is connected with CCD camera 11 and is used for the image contrast, arrange and be used for the fixed detection anchor clamps that wait to detect the circuit board and arrange the background board 8 that is used for providing the background of shooing that keeps away from CCD camera 11 one side at detection anchor clamps in CCD camera 11 dead ahead, detect anchor clamps and include two sets of push rods 6 of symmetrical arrangement between CCD camera 11 and background board 8, every push rod 6 of group includes a plurality of parallel arrangement and the even push rod 6 in interval, push rod 6 is fixed in frame 7, and the output of push rod 6 is used for supporting tightly the circuit board, is equipped with between two sets of push rods 6 and faces CCD camera 11 and fixes backup plate 10 on frame 7. Because CCD camera itself and image analysis device are prior art, also not the utility model discloses the key point that will protect, its structure does not carry out the detail here. The detection push rod 6, the backup plate 10 and the background plate 8 are fixed on the base 1 through a frame 7 or a bracket 9. The push rod 6 can also be an electric push rod, and the circuit board can be prevented from being damaged by the push rod through setting the power of the output end of the electric push rod.

Preferably, the push rods 6 each include a cylinder 61, a rod 62 inserted in the cylinder 61, and a connecting cover 67 disposed at the end of the cylinder 61, a piston 65 matched with the inner wall of the cylinder 61 is disposed at the end of the rod 62, the front end of the rod 62 extends out of the cylinder 61 and is provided with a contact 63 for abutting against the circuit board, a tension spring 66 is disposed between the piston 65 and the connecting cover 67, and the connecting cover 67 is provided with a gas pipe 5 communicated with the inside of the cylinder 61. As shown in FIG. 4, the air is delivered into the cylinder 62 through the air delivery pipe 5, when the air pressure reaches a certain value, the air pushes the piston 65, and the rod body 62 extends out of the cylinder 61 to clamp the circuit board.

Preferably, the other end of gas-supply pipe 5 all is connected with the one end of gas-mixing pipe 3, the other end and the air pump 2 of gas-mixing pipe 3 are connected, lie in on the gas-mixing pipe 3 and are equipped with the snuffle valve 4 that is used for letting out gas between gas-supply pipe 5 and the air pump 2. Air pump 2 is to gas mixing pipe 3 delivered gas, and gas mixing pipe 3 is to each gas-supply pipe 5 delivered gas, guarantees that the atmospheric pressure in each push rod 6 is the same, when push rod 6 was withdrawed to needs, opens snuffle valve 4, can emit intraductal gas, and the body of rod 62 is withdrawed in cylinder body 61 under the effect of extension spring 66.

Preferably, the contact 63 is made of rubber, the contact 63 is hemispherical, and a groove 64 for conveniently clamping the circuit board body is formed in the end of the contact 63. Through setting up contact 63 and seting up recess 64, reduce the damage of push rod 6 to the circuit board plate body to easily the circuit board aligns push rod 6, the centre gripping of being convenient for.

Preferably, the side of the backup plate 10 close to the CCD camera 11 is aligned with the side of the recess 64 away from the CCD camera 11. The circuit board is firstly propped against the backup plate 10 by hand, then the air pump 2 is started, the push rod 6 props against the circuit board, and the backup plate 10 can greatly facilitate the alignment of the circuit board and the push rod 6.

During the use, support the circuit board on backup plate 10 with the hand earlier, then start air pump 2, air pump 2 begins to carry gas, it is gaseous to get into each gas-supply pipe 5 and enter into the cylinder body 61 of push rod 6 through gas mixture pipe 3, when atmospheric pressure reaches a definite value, gaseous pulling force that can overcome extension spring 66 promotes piston 65 and gos forward, the body of rod 62 stretches out cylinder body 61, contact 63 supports the edge at the circuit board tightly, in the recess 64 is gone into to the circuit board card, make push rod 6 can not crowd bad circuit board through the output who sets up air pump 20. The CCD camera 11 takes a picture, and the image analysis device performs quality analysis of the circuit board to compare whether flaws exist or not. After the detection is finished, the air escape valve 4 is opened, the air pressure in the air conveying pipe 5 is reduced, the piston 65 is reset under the action of the tension spring 66, the push rod 6 is retracted, and the circuit board is separated from the detection clamp for recovery.

The utility model discloses a set up a plurality of push rods 6 and carry out the multiple spot centre gripping to the circuit board, especially adapted centre gripping anomalous circuit board has improved the compatibility of detection anchor clamps to the circuit board specification greatly, has avoided the trouble of frequent change detection anchor clamps, and the centre gripping is effectual simultaneously, and each contact 63 is more even to the power of exerting of circuit board, prevents to press from both sides the circuit board that hinders.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (5)

1. A detection jig replacing device of CCD detection equipment comprises a CCD camera (11) for collecting images and an image analysis device connected with the CCD camera (11) and used for image comparison, it is characterized by comprising a detection clamp which is arranged right in front of a CCD camera (11) and is used for fixing a circuit board to be detected, and a background plate (8) which is arranged on one side of the detection clamp away from the CCD camera (11) and is used for providing a photographing background, the detection clamp comprises two groups of push rods (6) which are symmetrically arranged between a CCD camera (11) and a background plate (8), each group of push rods (6) comprises a plurality of push rods (6) which are arranged in parallel and are uniformly spaced, the push rods (6) are fixed on the frame (7), the output ends of the push rods (6) are used for abutting against the circuit board, and a backup plate (10) which faces the CCD camera (11) and is fixed on the frame (7) is arranged between the two groups of push rods (6).

2. The device for replacing the detection jig of the CCD detection equipment is characterized in that each push rod (6) comprises a cylinder body (61), a rod body (62) inserted in the cylinder body (61) and a connecting cover (67) arranged at the tail end of the cylinder body (61), a piston (65) matched with the inner wall of the cylinder body (61) is arranged at the tail end of the rod body (62), the front end of the rod body (62) extends out of the cylinder body (61) and is provided with a contact head (63) used for abutting against a circuit board, a tension spring (66) is arranged between the piston (65) and the connecting cover (67), and a gas conveying pipe (5) communicated with the inside of the cylinder body (61) is arranged on the connecting cover (67).

3. The device for replacing the detection jig of the CCD detection equipment is characterized in that the other ends of the air conveying pipes (5) are connected with one end of an air mixing pipe (3), the other end of the air mixing pipe (3) is connected with an air pump (2), and an air release valve (4) for releasing air is arranged between the air conveying pipes (5) and the air pump (2) on the air mixing pipe (3).

4. The device for replacing the detection jig of the CCD detection equipment as claimed in claim 2, wherein the contact head (63) is made of rubber, the contact head (63) is hemispherical, and a groove (64) for conveniently clamping the circuit board body is formed at an end of the contact head (63).

5. The inspection jig replacing device of the CCD inspection apparatus according to claim 4, wherein the side of the backup plate (10) close to the CCD camera (11) is aligned with the side of the groove (64) far away from the CCD camera (11).

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