CN216179904U

CN216179904U - Clamping tool for preparing printed board sample

Info

Publication number: CN216179904U
Application number: CN202122593251.3U
Authority: CN
Inventors: 李清华; 邓岚; 胡志强; 张仁军; 杨海军; 牟玉贵
Original assignee: Inno Circuits Ltd
Current assignee: Inno Circuits Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a centre gripping frock is used in printing board sample preparation, includes coupling mechanism, and coupling mechanism's lower extreme is equipped with adjustment mechanism, and coupling mechanism's upper end is equipped with fixture, and adjustment mechanism is used for adjusting the interval between the coupling mechanism lower extreme to make coupling mechanism adjust fixture's interval, and carry out the centre gripping to the printing board sample through fixture. When the copper deposition detection of the printed board is carried out, particularly when the backlight test board is ground, the clamping and positioning of the backlight test board are convenient, the grinding difficulty of the backlight test board is reduced, and meanwhile, the stability is high during the clamping and positioning, so that the grinding effect of the backlight test board is obviously improved, the detection efficiency and the detection result of the backlight test board are correspondingly improved, and the copper deposition detection device has high practicability.

Description

Clamping tool for preparing printed board sample

Technical Field

The utility model relates to the related technical field of printed board production equipment, in particular to a clamping tool for preparing a printed board sample.

Background

The known printed circuit board is a common integrated circuit board for electronic devices, and plays a key role in connecting and supporting electronic components.

In order to detect the effect of chemical copper deposition during production of the printed board, a backlight test board is usually prepared during copper deposition of the printed board, the printed board is required to be sliced, ground, subjected to backlight detection and the like after copper deposition is completed through the test board, and the size of the general sliced backlight test board is small, so that tweezers are often used for clamping during grinding and then grinding are carried out, and in the grinding process, due to unstable clamping, the phenomenon of grinding failure is often caused, or certain influence is caused on the grinding result, the quality of the test board is reduced, and meanwhile, certain influence is caused on the backlight test.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping tool for preparing a printed board sample, which is used for solving the defects of the prior art, is convenient for clamping and positioning a backlight test board when detecting copper deposition of a printed board and particularly grinding the backlight test board, reduces the grinding difficulty of the backlight test board and has strong practicability.

In order to achieve the purpose of the utility model, the following technology is adopted:

a clamping tool for preparing a printed board sample comprises a connecting mechanism, wherein an adjusting mechanism is arranged at the lower end of the connecting mechanism, a clamping mechanism is arranged at the upper end of the connecting mechanism, and the adjusting mechanism is used for adjusting the distance between the lower ends of the connecting mechanism so that the connecting mechanism can adjust the distance between the clamping mechanisms and clamp the printed board sample through the clamping mechanism;

the connecting mechanism comprises a bottom plate, two pairs of fixed side plates are installed on the bottom plate in an upward extending mode, each pair of fixed side plates located at the same end are provided with rotating shafts, the rotating shafts are provided with rotating plates, the rotating plates are located between the fixed side plates, the lower ends of the rotating plates are provided with inclined plates in an inward extending mode in an inclined mode, the adjusting mechanism is arranged at the other ends of the inclined plates, the upper ends of the rotating plates are hinged with hinged plates, the other ends of the hinged plates are hinged with rotating seats, clamping mechanisms are arranged on the rotating seats, inner walls of the upper ends of the rotating plates are provided with inner extending connecting plates, inner side ends of the inner extending connecting plates are hinged with connecting rotating plates, the other ends of the connecting rotating plates are hinged with connecting convex plates, sliding cylinders are arranged between the connecting convex plates, guide rods penetrate through the sliding cylinders, upper transverse plates are installed at the upper ends of the fixed side plates located at the same side, and the upper ends of the guide rods are installed on the lower walls of the upper transverse plates.

Furthermore, the adjusting mechanism comprises hinges which are hinged to the lower end of the inclined plate, adjusting end plates are arranged at the other ends of the hinges, four connecting support rods are mounted on one of the adjusting end plates, adjusting seats are arranged at the other ends of the connecting support rods, adjusting screw sleeves are arranged in the adjusting seats, adjusting lead screws are arranged in the adjusting screw sleeves, the other ends of the adjusting lead screws are mounted on the other adjusting end plate, the adjusting screw sleeves are provided with driven wheels, driving wheels are meshed with the driven wheels, the driving wheels are connected with adjusting motors, and the adjusting motors are mounted on the adjusting seats.

Further, fixture all is equipped with the convex baffle including all installing in the mounting plate of last diaphragm, mounting plate, is equipped with the centre gripping slider between the convex baffle, and the upper end of centre gripping slider all is equipped with prolongs the board, and the upper end of prolonging the board on is equipped with the grip block.

Furthermore, a clamping groove is formed in the inner wall of the upper end of the clamping plate, and a hard rubber pad is arranged in the clamping groove.

The technical scheme has the advantages that:

when the copper deposition detection of the printed board is carried out, particularly when the backlight test board is ground, the clamping and positioning of the backlight test board are convenient, the grinding difficulty of the backlight test board is reduced, and meanwhile, the stability is high during the clamping and positioning, so that the grinding effect of the backlight test board is obviously improved, the detection efficiency and the detection result of the backlight test board are correspondingly improved, and the copper deposition detection device has high practicability.

Drawings

Fig. 1 shows a perspective view of one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a clamping fixture for preparing printed board samples comprises a connecting mechanism 1, an adjusting mechanism 2 is arranged at the lower end of the connecting mechanism 1, a clamping mechanism 3 is arranged at the upper end of the connecting mechanism 1, and the adjusting mechanism 2 is used for adjusting the distance between the lower ends of the connecting mechanism 1, so that the connecting mechanism 1 adjusts the distance between the clamping mechanisms 3, and printed board samples are clamped through the clamping mechanism 3.

When the tool grinds the backlight test board through the connecting mechanism 1, the adjusting mechanism 2 and the clamping mechanism 3, the backlight test board is conveniently clamped, and the grinding difficulty of the backlight test board is reduced. Adjustment mechanism 2 can be automatic and adjust the interval between the 1 lower extremes of coupling mechanism steadily, and then makes 1 upper end of coupling mechanism inwards rotate to make fixture 3 accomplish the centre gripping to the test board in a poor light, adjustment mechanism 2 has the stability after showing accuracy and regulation. When coupling mechanism 1 drives fixture 3 and moves, can ensure the stability and the dynamics of 3 centre grippings of fixture, avoid appearing backlight at the in-process of grinding and survey the phenomenon that the board appears rocking to conveniently carry out backlight and survey the grinding of board. The clamping mechanism 3 can clamp and position two sides of the backlight test board. In operation, arrange the test panel in a poor light between fixture 3, then adjust the interval between coupling mechanism 1 through adjustment mechanism 2, specifically, adjustment mechanism 2 makes the interval increase between coupling mechanism 1, and coupling mechanism 1 upper end is inwards rotated simultaneously, and the inward rotation in upper end of coupling mechanism 1 will drive fixture 3 and be close to each other, finally accomplishes the centre gripping location to the test panel in a poor light through fixture 3, then carries out the grinding operation of the test panel in a poor light.

The connecting mechanism 1 comprises a bottom plate 10, two pairs of fixed side plates 11 are installed on the bottom plate 10 in an upward extending manner, a rotating shaft 12 is arranged at the upper end of each pair of fixed side plates 11 positioned at the same end, rotating plates 13 are arranged on the rotating shafts 12, the rotating plates 13 are positioned between the fixed side plates 11, inclined plates 14 are arranged at the lower ends of the rotating plates 13 in an inclined and inward extending manner, an adjusting mechanism 2 is arranged at the other ends of the inclined plates 14, hinged plates 15 are hinged at the upper ends of the rotating plates 13, rotating seats 16 are hinged at the other ends of the hinged plates 15, a clamping mechanism 3 is arranged on the rotating seats 16, inner extending connecting plates 17 are arranged on the inner walls of the upper ends of the rotating plates 13, connecting rotating plates 18 are hinged at the inner side ends of the inner extending connecting plates 17, connecting convex plates 19 are hinged at the other ends of the connecting rotating plates 18, sliding cylinders 190 are arranged between the connecting convex plates 19, guide rods 191 penetrate through the sliding cylinders 190, upper ends of the fixed side plates 11 positioned at the same side are provided with upper transverse plates 192, the upper end of the guide rod 191 is mounted to the lower wall of the upper cross plate 192. It is worth noting that the inwardly extending link plate 17 is located below the pivot shaft 12, and that, during clamping, the adjustment mechanism 2 acts on the swash plate 14, so that the interval between the swash plates 14 is increased, while the rotary plate 13 is rotated about the rotary shaft 12, and, when the interval between the swash plates 14 is increased, the upper end of the rotary plate 13 is rotated inwardly about the rotary shaft 12, the rotation of the rotating plate 13 drives the clamping mechanisms 3 to approach each other through the hinged plate 15, and finally the clamping operation of the backlight test board is realized, and meanwhile, when the rotating plate 13 rotates, the inward extending connecting plate 17 also rotates, and the rotation of the inwardly extending link plate 17 will cause the sliding cylinder 190 to move downward in the axial direction of the guide rod 191, the use of the sliding cylinder 190 and the guide rod 191 can play a role in restraining the rotation of the rotating plate 13, thereby ensuring the strength and stability of the clamping mechanism 3 when clamping the backlight test board.

The adjusting mechanism 2 comprises hinges 20 hinged to the lower end of the inclined plate 14, adjusting end plates 21 are arranged at the other ends of the hinges 20, four connecting support rods 22 are mounted on one of the adjusting end plates 21, adjusting seats 23 are arranged at the other ends of the connecting support rods 22, adjusting screw sleeves 24 are arranged in the adjusting seats 23, adjusting screw rods 25 are arranged in the adjusting screw sleeves 24, the other ends of the adjusting screw rods 25 are mounted on the other adjusting end plate 21, the adjusting screw sleeves 24 are provided with driven wheels 26, driving wheels 27 are meshed with the driven wheels 26, the driving wheels 27 are connected with adjusting motors 28, and the adjusting motors 28 are mounted on the adjusting seats 23. When the mechanism adjusts the distance between the inclined plates 14, the driving wheel 27 is driven to rotate through the adjusting motor 28, the driving wheel 27 drives the adjusting screw sleeve 24 to rotate through the driven wheel 26 in the rotating process, the adjusting screw sleeve 24 enables the adjusting screw rod 25 to move inwards or outwards along the axial direction when rotating, and finally the distance adjustment between the inclined plates 14 is achieved.

Fixture 3 is including all installing in the mounting plate 34 of last diaphragm 192, mounting plate 34 all is equipped with convex baffle 35, be equipped with centre gripping slider 30 between the convex baffle 35, centre gripping slider 30's upper end all is equipped with and extends board 31, the upper end of going up to extend board 31 is equipped with grip block 32, grip block 32's upper end inner wall is formed with centre gripping groove 33, be equipped with the stereoplasm rubber pad in the centre gripping groove 33, grip block 32 is main clamping part, and wherein centre gripping groove 33 can survey test panel in a poor light and carry out spacing and support steadily, simultaneously in order to avoid surveying the phenomenon that the test panel rocked in a poor light in the in-process of grinding, consequently, set up the rubber pad in centre gripping groove 33. In the clamping process, the upper ends of the rotating plates 13 rotate inwards, so that the clamping sliders 30 are driven to approach each other under the guidance of the convex guide plates 35, and finally, the clamping and positioning of the backlight test board are completed through the clamping plates 32.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The clamping tool for preparing the printed board sample is characterized by comprising a connecting mechanism (1), wherein the lower end of the connecting mechanism (1) is provided with an adjusting mechanism (2), the upper end of the connecting mechanism (1) is provided with a clamping mechanism (3), and the adjusting mechanism (2) is used for adjusting the distance between the lower ends of the connecting mechanism (1) so that the connecting mechanism (1) can adjust the distance between the clamping mechanisms (3) and clamp the printed board sample through the clamping mechanism (3);

the connecting mechanism (1) comprises a bottom plate (10), two pairs of fixed side plates (11) are installed on the bottom plate (10) in an upward extending mode, a rotating shaft (12) is arranged at the upper end of each pair of fixed side plates (11) which are located at the same end, rotating plates (13) are arranged on the rotating shafts (12) and located between the fixed side plates (11), inclined plates (14) are arranged at the lower ends of the rotating plates (13) in an inclined and inward extending mode, adjusting mechanisms (2) are arranged at the other ends of the inclined plates (14), hinged plates (15) are hinged to the upper ends of the rotating plates (13), rotating seats (16) are hinged to the other ends of the hinged plates (15), clamping mechanisms (3) are arranged on the rotating seats (16), inner extending connecting plates (17) are arranged on the inner walls of the upper ends of the rotating plates (13), connecting rotating plates (18) are hinged to the inner side ends of the inner extending connecting plates (17), and connecting convex plates (19) are hinged to the other ends of the connecting rotating plates (18), a sliding cylinder (190) is arranged between the connecting convex plates (19), a guide rod (191) penetrates through the sliding cylinder (190), an upper transverse plate (192) is installed at the upper end of the fixed side plate (11) positioned on the same side, and the upper end of the guide rod (191) is installed at the lower wall of the upper transverse plate (192).

2. The clamping tool for preparing the printed board sample according to claim 1, wherein the adjusting mechanism (2) comprises hinged joints (20) which are hinged to the lower end of the inclined plate (14), adjusting end plates (21) are arranged at the other ends of the hinged joints (20), four connecting support rods (22) are installed on one of the adjusting end plates (21), an adjusting seat (23) is arranged at the other end of each connecting support rod (22), an adjusting screw sleeve (24) is arranged in each adjusting seat (23), an adjusting screw rod (25) is arranged in each adjusting screw sleeve (24), the other end of each adjusting screw rod (25) is installed on the other adjusting end plate (21), each adjusting screw sleeve (24) is provided with a driven wheel (26), each driven wheel (26) is meshed with a driving wheel (27), each driving wheel (27) is connected with an adjusting motor (28), and each adjusting motor (28) is installed on each adjusting seat (23).

3. The clamping tool for preparing the printed board sample according to claim 1, wherein the clamping mechanism (3) comprises mounting bottom plates (34) which are mounted on the upper transverse plate (192), the mounting bottom plates (34) are provided with convex guide plates (35), clamping sliding blocks (30) are arranged between the convex guide plates (35), upper extending plates (31) are arranged at the upper ends of the clamping sliding blocks (30), and clamping plates (32) are arranged at the upper ends of the upper extending plates (31).

4. The clamping tool for preparing the printed board sample according to claim 3, wherein a clamping groove (33) is formed in the inner wall of the upper end of the clamping plate (32), and a hard rubber pad is arranged in the clamping groove (33).