CN215919968U - Printed board edge grinding device - Google Patents
Printed board edge grinding device Download PDFInfo
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- CN215919968U CN215919968U CN202122593238.8U CN202122593238U CN215919968U CN 215919968 U CN215919968 U CN 215919968U CN 202122593238 U CN202122593238 U CN 202122593238U CN 215919968 U CN215919968 U CN 215919968U
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Abstract
The utility model provides a printing plate limit grinder, includes a pair of pushing down the mechanism, is equipped with actuating mechanism between the upper end of pushing down the mechanism, and actuating mechanism is equipped with abrasive paper positioning mechanism, and pushing down the mechanism and being used for adjusting abrasive paper positioning mechanism's height to the degree of depth of grinding of adjusting the flange limit, actuating mechanism are used for driving abrasive paper positioning mechanism and carry out reciprocating motion, so that fix the abrasive paper on abrasive paper positioning mechanism and grind the flange limit of printing plate. The utility model is convenient to grind the sample when preparing the printed board, because the direction of the acting force is always on the same straight line when grinding, the sample can be held conveniently when grinding, the grinding abrasive paper can be replaced according to the requirement, the clamping stability of the abrasive paper is strong, the grinding depth of the sample can be accurately controlled when grinding, and when the sample is fixedly clamped, the efficiency and the automation degree of grinding the sample are improved, and the utility model has strong practicability.
Description
Technical Field
The utility model relates to the related technical field of printed board testing, in particular to a printed board edge grinding device.
Background
When the printed board is used for copper electroplating or copper chemical deposition, due to the change of the process and the copper deposition condition, the coverage rate of copper in the printed board holes in the same batch is inconsistent, in order to improve the copper deposition effect, the coverage rate of copper in the printed board holes is required to be detected when copper deposition or copper electroplating is performed, the conventional detection mode is called backlight test, when in test, a sample is placed on a light source, then the half-hole is observed through a high-power metallographic microscope, then the observation result is compared with a backlight grade graph, then the backlight grade is obtained, and whether the standard is reached is judged through the backlight grade. The main step when the backlight sample is prepared is grinding of the sample, the existing grinding device adopts rotary grinding when grinding, although the grinding mode is high in speed when grinding, the sand paper rotates when grinding, and forces in different directions are applied to the sample, so that the sample often flies out in the grinding process, and meanwhile, certain influence is caused on the grinding effect of the sample.
SUMMERY OF THE UTILITY MODEL
The utility model provides a printed board edge grinding device, which is used for solving the defects of the prior art, and is convenient for grinding a sample when the printed board is prepared.
In order to achieve the purpose of the utility model, the following technology is adopted:
a printed board edge grinding device comprises a pair of pressing mechanisms, wherein a driving mechanism is arranged between the upper ends of the pressing mechanisms, the driving mechanism is provided with a sand paper positioning mechanism, the pressing mechanisms are used for adjusting the height of the sand paper positioning mechanism so as to adjust the grinding depth of a board edge, and the driving mechanism is used for driving the sand paper positioning mechanism to reciprocate so that the sand paper fixed on the sand paper positioning mechanism can grind the board edge of the printed board;
the pressing mechanism comprises a pair of pressing bearing seats which are distributed up and down, concave fixing plates are installed on two sides of each pressing bearing seat, a pressing lead screw is arranged between the pressing bearing seats, a driven wheel is arranged at the lower end of the pressing lead screw, a driving wheel is meshed with the driven wheel, the driving wheel is connected with a pressing motor, the pressing motor is installed on the pressing bearing seats through a motor installation piece, the pressing lead screw is provided with a pressing seat, a plurality of pressing connecting rods are arranged on the pressing seat in an upward extending mode, and a pressing installation seat is arranged at the upper end of each pressing connecting rod.
Furthermore, the driving mechanism comprises a downward concave plate arranged on the downward mounting seat, an upper plate is arranged at the upper end of the downward concave plate, a pair of mutually meshed driving gears are arranged at two ends of the upper plate, one of the driving gears is connected with a driving motor, the driving motor is arranged on the upper plate, the driving gears are eccentrically provided with eccentric shafts, the eccentric shafts are provided with connecting push plates, the other ends of the connecting push plates are hinged with connecting transverse plates, outward extending support plates are arranged at the middle positions of the upper plates in an outward extending mode, reciprocating rectangular holes are formed in the outward extending support plates, movable blocks are arranged at the middle positions of the connecting transverse plates, and the movable blocks are arranged in the reciprocating rectangular holes.
Further, abrasive paper positioning mechanism is including installing in the positioning bottom plate of movable block lower wall, and a pair of positioning seat is all installed to positioning bottom plate's both sides, and every is equipped with the rotation head between every to the positioning seat, and the both ends that rotate the head all are equipped with positioning screw, and the screw thread that is located same ascending positioning screw revolves to opposite, and the positioning screw that is located the same end all is equipped with the location planking, and the inner wall of location planking all is equipped with location trapezoidal piece.
Furthermore, the two ends of the positioning bottom plate are both formed with positioning trapezoidal grooves, and when the sand paper is fixed, the positioning trapezoidal blocks all penetrate through the corresponding positioning trapezoidal grooves.
Furthermore, a pair of strip plates is installed on the lower end pressing bearing seat, one strip plate is provided with an upper extending guide post in an upward extending mode, the upper end of the upper extending guide post penetrates through a guide seat, and the guide seat is installed on the pressing concave plate.
The technical scheme has the advantages that:
the utility model is convenient to grind the sample when preparing the printed board, because the direction of the acting force is always on the same straight line when grinding, the sample can be held conveniently when grinding, the grinding abrasive paper can be replaced according to the requirement, the clamping stability of the abrasive paper is strong, the grinding depth of the sample can be accurately controlled when grinding, and when the sample is fixedly clamped, the efficiency and the automation degree of grinding the sample are improved, and the utility model has strong practicability.
Drawings
Fig. 1 shows a perspective view of a first embodiment.
Fig. 2 shows a perspective view of the second embodiment.
Fig. 3 shows an enlarged view at a.
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. 1-3, a printed board edge grinding device includes a pair of pressing mechanisms 1, a driving mechanism 2 is disposed between the upper ends of the pressing mechanisms 1, the driving mechanism 2 is provided with a sand paper positioning mechanism 3, the pressing mechanisms 1 are used for adjusting the height of the sand paper positioning mechanism 3 to adjust the grinding depth of the board edge, and the driving mechanism 2 is used for driving the sand paper positioning mechanism 3 to reciprocate, so that the sand paper fixed on the sand paper positioning mechanism 3 grinds the board edge of the printed board.
The device conveniently grinds the detection sample that is shaded through pushing down 1, actuating mechanism 2 and abrasive paper positioning mechanism 3, and wherein, pushing down 1 can adjust abrasive paper's height automatically, and when the sample under the condition of centre gripping, the convenient automatic grinding operation of implementing to the sample. Actuating mechanism 2 can drive abrasive paper and carry out reciprocating linear motion, at the in-process of grinding for the sample receives the frictional force and the holding down force of unidirectional, thereby conveniently carries out the centre gripping of sample, also can improve grinding efficiency simultaneously, perhaps when holding the grinding, conveniently carries out holding of sample. Sand paper positioning mechanism 3 can carry out the centre gripping location to sand paper, also conveniently carries out sand paper's change simultaneously to improve the smooth degree that the sample ground. In operation, can fix the sample through the instrument pincers earlier, then fix coarser abrasive paper on abrasive paper positioning mechanism 3, then abrasive paper carries out reciprocal linear motion under actuating mechanism 2's drive, abrasive paper will grind the surface of sample through abrasive paper when reciprocating motion, and simultaneously when lapping, according to specific grinding speed, constantly through pushing down 1 height regulation to abrasive paper of mechanism to finally grind the sample to certain degree of depth, then, change finer abrasive paper and polish the sample.
The pressing mechanism 1 comprises a pair of pressing bearing seats 10 which are distributed up and down, concave fixing plates 11 are mounted on two sides of each pressing bearing seat 10, a pressing screw rod 12 is arranged between the pressing bearing seats 10, a driven wheel 13 is arranged at the lower end of the pressing screw rod 12, a driving wheel 14 is meshed with the driven wheel 13, the driving wheel 14 is connected with a pressing motor 16, the pressing motor 16 is mounted on the pressing bearing seats 10 through a motor mounting piece 15, the pressing screw rod 12 is provided with a pressing seat 17, the pressing seat 17 is provided with a plurality of pressing connecting rods 18 in an upward extending mode, and the upper ends of the pressing connecting rods 18 are provided with pressing mounting seats 19. When the mechanism adjusts the height of abrasive paper, the pressing motor 16 is started, the pressing motor 16 drives the pressing screw rod 12 to rotate through the driving wheel 14 and the driven wheel 13 in the rotating process, the pressing screw rod 12 drives the pressing base 17 to perform lifting motion in the rotating process, the movement of the pressing base 17 completes adjustment of the height of the driving mechanism 2 through the pressing connecting rod 18, the adjustment accuracy of the pressing mode is high, the stability is strong after adjustment, and therefore the grinding quality of samples can be ensured.
The driving mechanism 2 comprises a lower press concave plate 20 arranged on a lower press mounting seat 19, an upper plate 21 is arranged at the upper end of the lower press concave plate 20, a pair of mutually meshed driving gears 22 are arranged at two ends of the upper plate 21, one of the driving gears 22 is connected with a driving motor 23, the driving motor 23 is arranged on the upper plate 21, eccentric shafts 24 are eccentrically arranged on the driving gears 22, a connecting push plate 25 is arranged on the eccentric shafts 24, a connecting transverse plate 26 is hinged to the other end of the connecting push plate 25, an extending support plate 27 is arranged at the middle position of the upper plate 21 in an outward extending mode, a reciprocating rectangular hole 270 is formed in the extending support plate 27, a movable block 28 is arranged at the middle position of the connecting transverse plate 26, the movable block 28 is arranged in the reciprocating rectangular hole 270, a pair of long plates 4 are arranged on a lower press bearing seat 10, an upper extending guide pillar 40 is arranged on one of the long plates 4 in an upward extending mode, and a guide seat 41 is penetrated at the upper end of the upper extending guide pillar 40, the guide holder 41 is mounted to the lower press gib 20. The arrangement of the upper extending guide post 40 and the guide seat 41 is mainly to ensure the stability of the pressing mechanism 1 during the reciprocating linear motion, and avoid affecting the structure of the pressing mechanism 1. In operation, the driving motor 23 is started, the two driving gears 22 engaged with each other rotate under the driving of the driving motor 23, the driving gear 22 rotates eccentrically around the center of the driving gear 22 by the eccentric shaft 24, the rotation of the eccentric shaft 24 drives the movable block 28 to move along the length direction of the reciprocating rectangular hole 270 by the connecting push plate 25, the movable block 28 drives the sand paper to move when moving, and the sand paper grinds the sample when moving. The stress of the sample is reduced through the reciprocating linear motion, so that the sample is convenient to hold or clamp, and the efficiency and the effect of sample grinding are obviously improved.
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 (5)
1. The edge grinding device for the printed board is characterized by comprising a pair of pressing mechanisms (1), wherein a driving mechanism (2) is arranged between the upper ends of the pressing mechanisms (1), the driving mechanism (2) is provided with a sand paper positioning mechanism (3), the pressing mechanisms (1) are used for adjusting the height of the sand paper positioning mechanism (3) so as to adjust the grinding depth of the board edge, and the driving mechanism (2) is used for driving the sand paper positioning mechanism (3) to reciprocate so that the sand paper fixed on the sand paper positioning mechanism (3) grinds the board edge of the printed board;
the pressing mechanism (1) comprises a pair of pressing bearing seats (10) which are distributed up and down, concave fixing plates (11) are installed on two sides of each pressing bearing seat (10), pressing screws (12) are arranged between the pressing bearing seats (10), the lower ends of the pressing screws (12) are provided with driven wheels (13), the driven wheels (13) are meshed with driving wheels (14), the driving wheels (14) are connected with pressing motors (16), the pressing motors (16) are installed on the pressing bearing seats (10) through motor installation pieces (15), the pressing screws (12) are provided with pressing seats (17), the pressing seats (17) are provided with a plurality of pressing connecting rods (18) in an upward extending mode, and the upper ends of the pressing connecting rods (18) are provided with pressing installation seats (19).
2. The edge grinding device for the printed board according to claim 1, wherein the driving mechanism (2) comprises a lower concave pressing plate (20) installed on a lower concave pressing installation seat (19), an upper pressing plate (21) is installed at the upper end of the lower concave pressing plate (20), a pair of driving gears (22) meshed with each other are arranged at two ends of the upper pressing plate (21), one driving gear (22) is connected with a driving motor (23), the driving motor (23) is installed on the upper pressing plate (21), eccentric shafts (24) are eccentrically arranged on the driving gears (22), connecting push plates (25) are arranged on the eccentric shafts (24), connecting transverse plates (26) are hinged to the other ends of the connecting push plates (25), extending support plates (27) are arranged at the middle positions of the upper pressing plate (21) in an outward extending mode, reciprocating rectangular holes (270) are formed in the extending support plates (27), and movable blocks (28) are installed at the middle positions of the connecting transverse plates (26), the movable block (28) is arranged in the reciprocating rectangular hole (270).
3. The printed board edge grinding device according to claim 1, wherein the sand paper positioning mechanism (3) comprises a positioning bottom plate (30) mounted on the lower wall of the movable block (28), a pair of positioning seats (31) are mounted on both sides of the positioning bottom plate (30), a rotating head (32) is arranged between each pair of positioning seats (31), positioning screw rods (33) are arranged at both ends of each rotating head (32), the threads of the positioning screw rods (33) located in the same axial direction are opposite in rotating direction, positioning outer plates (34) are arranged on the positioning screw rods (33) located at the same end, and positioning trapezoidal blocks (35) are arranged on the inner wall of each positioning outer plate (34).
4. The printed board edge grinding device according to claim 3, wherein both ends of the positioning base plate (30) are formed with positioning trapezoidal grooves, and when the sandpaper is fixed, the positioning trapezoidal blocks (35) are inserted into the corresponding positioning trapezoidal grooves.
5. The edge grinding apparatus for printed boards according to claim 2, wherein a pair of strips (4) are mounted on the lower press-down bearing block (10), one of the strips (4) is provided with an upper extension guide post (40) extending upward, a guide base (41) is penetrated on the upper end of the upper extension guide post (40), and the guide base (41) is mounted on the lower press-down concave plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122593238.8U CN215919968U (en) | 2021-10-27 | 2021-10-27 | Printed board edge grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122593238.8U CN215919968U (en) | 2021-10-27 | 2021-10-27 | Printed board edge grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN215919968U true CN215919968U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122593238.8U Active CN215919968U (en) | 2021-10-27 | 2021-10-27 | Printed board edge grinding device |
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| CN (1) | CN215919968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114501864A (en) * | 2022-04-14 | 2022-05-13 | 四川英创力电子科技股份有限公司 | Manufacturing method of embedded resistor printed circuit board |
-
2021
- 2021-10-27 CN CN202122593238.8U patent/CN215919968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114501864A (en) * | 2022-04-14 | 2022-05-13 | 四川英创力电子科技股份有限公司 | Manufacturing method of embedded resistor printed circuit board |
| CN114501864B (en) * | 2022-04-14 | 2022-07-01 | 四川英创力电子科技股份有限公司 | Manufacturing method of embedded resistor printed circuit board |
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