CN214281749U - Circuit board drilling clamp with high precision - Google Patents

Abstract

The utility model discloses a high-precision circuit board drilling fixture, which comprises a base, wherein the front side and the rear side above the base are respectively provided with a liftable mounting rack, the inner lower bottom surface of the two mounting racks are respectively provided with a rack, the upper surface of the rack is meshed with a gear, a positioning piece is arranged between the two gears, the positioning piece comprises a rotating shaft fixedly connected at the middle part of the gear, a roller fixedly connected at the outer part of the rotating shaft and pressing strips radially arranged at the outer part of the circumference of the roller, one end of the rotating shaft is provided with a motor for driving the rotating shaft to rotate, a limiting seat is arranged at the outer part of the circumference of the motor, and a limiting groove is arranged at the position corresponding to the limiting seat in the mounting rack. The condition that the clamp presses the punching position to influence punching can be avoided.

Description

Circuit board drilling clamp with high precision

Technical Field

The utility model relates to a circuit board production technical field specifically is a circuit board boring grab that precision is high.

Background

When the circuit board is produced, holes need to be punched on the circuit board, so that the installation of parts is facilitated, and the positions needing to be punched are more;

the punching clamp in the prior art is generally directly pressed on the upper surface of a circuit board, so that the position to be punched is extremely easy to press, and the punching precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board boring grab that precision is high to solve the anchor clamps that punch among the prior art, generally directly press at the upper surface of circuit board, very easily push down the position of waiting to punch like this, influence the problem of the precision of punching.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit board boring grab that precision is high, includes the base, the side all is equipped with the mounting bracket of liftable around the top of base, two the bottom surface all is equipped with the rack under the inside of mounting bracket, the upper surface meshing of rack has the gear, two be equipped with the setting element between the gear, the setting element includes pivot, the rigid coupling at gear middle part at the outside roller of pivot and is the radial layering of installing at roller circumference outside, the one end of pivot is equipped with and is used for driving pivot pivoted motor.

Preferably, the circumference externally mounted of motor has spacing seat, the inside of mounting bracket has seted up the spacing groove with the position that spacing seat corresponds.

Preferably, the limiting seat is connected to the inside of the limiting groove in a sliding manner.

Preferably, the top of base is equipped with the support frame, and four arriss departments of support frame all are equipped with lifting unit, and lifting unit drive mounting bracket goes up and down.

Preferably, lifting unit is including rotating lead screw and the nut of threaded connection on the lead screw of installing in four corners of base upper surface, the both ends rigid coupling of mounting bracket is on two nuts of homonymy.

Preferably, a motor for driving the screw rod to rotate is installed inside the base.

Preferably, a rubber pad is fixedly connected to one side of the pressing strip, which is far away from the roller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up the setting element, the setting element has included and has been radial layering, and the setting element can take place to remove in the pivoted, and this just can make different layering can push down the different positions of circuit board, just can avoid anchor clamps to push down the position of punching and influence the condition of punching.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an exploded view of the positioning member and the motor of the present invention;

fig. 3 is a top view of the mounting rack of the present invention.

In the figure: 1. a base; 2. a support frame; 3. a lifting assembly; 4. a mounting frame; 5. a positioning member; 51. A rotating shaft; 52. a roller; 53. layering; 54. a rubber pad; 6. a gear; 7. a motor; 8. a limiting seat; 9. a rack; 10. a limiting groove.

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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a circuit board drilling fixture with high precision includes a base 1, liftable mounting frames 4 are disposed on front and rear sides above the base 1, racks 9 are disposed on inner lower bottom surfaces of the two mounting frames 4, gears 6 are engaged with upper surfaces of the racks 9, a positioning member 5 is disposed between the two gears 6, when the gears 6 rotate, the positioning member 5 can move while rotating, and when the mounting frames 4 lift, the positioning member 5 can be driven to lift;

referring to fig. 2 and 3, the positioning element 5 includes a rotating shaft 51 fixedly connected to the middle of the gear 6, a roller 52 fixedly connected to the outside of the rotating shaft 51, and beads 53 radially installed on the outer circumference of the roller 52, one end of the rotating shaft 51 is provided with a motor 7 for driving the rotating shaft 51 to rotate, the motor 7 can drive the rotating shaft 51 to rotate when rotating, the rotating shaft 51 can rotate the gear 6, so that the gear 6 can rotate on the rack 9 and move at the same time, in this case, different beads 53 can press different positions of the circuit board, so as to prevent the clamp from pressing the position to be punched, and ensure the punching accuracy;

as shown in fig. 2, a rubber pad 54 is fixedly connected to the side of the pressing strip 53 away from the roller 52, and the rubber pad 54 can reduce the abrasion between the pressing strip 53 and the circuit board;

as shown in fig. 3, a limiting seat 8 is installed outside the circumference of the motor 7, a limiting groove 10 is formed in the mounting frame 4 at a position corresponding to the limiting seat 8, the limiting seat 8 is slidably connected inside the limiting groove 10, when the motor 7 rotates, the gear 6 moves while rotating, the limiting groove 10 can limit the limiting seat 8, the motor 7 is prevented from rotating along with the limiting groove, and the limiting seat 8 can slide inside the limiting groove 10, so that the motor 7 can move along with the gear 6 along a track;

as shown in fig. 2, a supporting frame 2 is arranged above a base 1, lifting assemblies 3 are arranged at four edges of the supporting frame 2, and the lifting assemblies 3 drive a mounting frame 4 to lift so as to realize loading and unloading of a circuit board;

as shown in the combined drawing 1, the lifting assembly 3 comprises a screw rod rotatably installed at four corners of the upper surface of the base 1 and nuts in threaded connection with the screw rod, two ends of the mounting frame 4 are fixedly connected to the two nuts at the same side, a motor for driving the screw rod to rotate is installed inside the base 1, the nuts can be lifted after the motor drives the screw rod to rotate, and then the mounting frame 4 can be lifted.

The utility model discloses a theory of operation and use flow: when the device is used, a circuit board is arranged on the upper surface of the base 1, and when the circuit board is positioned, the lifting assembly 3 is required to reduce the height of the mounting frame 4, so that the lowest rubber pad 54 presses the circuit board, when punching holes at different positions, in order to avoid the rubber pad 54 from blocking the punching position, the motor 7 is driven to rotate, the motor 7 drives the rotating shaft 51 to rotate, the rotating shaft 51 rotates to enable the gear 6 to rotate, and thus the gear 6, can be moved while rotating on the rack 9, in which case different beads 53 can be pressed against different positions of the circuit board, so as to prevent the clamp from pressing the position to be punched, ensure the punching precision, limit the position of the limit seat 8 by the limit groove 10, prevent the motor 7 from rotating along with the position, and the spacing block 8 is slidable within the spacing groove 10 so that the motor 7 can orbit with the gear 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a circuit board boring grab that precision is high, includes base (1), its characterized in that: the side all is equipped with mounting bracket (4) of liftable around the top of base (1), two the bottom surface all is equipped with rack (9) under the inside of mounting bracket (4), the upper surface meshing of rack (9) has gear (6), two be equipped with setting element (5) between gear (6), setting element (5) include pivot (51) of rigid coupling at gear (6) middle part, roller (52) of rigid coupling in pivot (51) outside and be radially install layering (53) in roller (52) circumference outside, the one end of pivot (51) is equipped with and is used for driving pivot (51) pivoted motor (7).

2. The circuit board drilling clamp with high precision as claimed in claim 1, wherein: the circumference externally mounted of motor (7) has spacing seat (8), spacing groove (10) have been seted up with the position that spacing seat (8) correspond to the inside of mounting bracket (4).

3. The circuit board drilling clamp with high precision as claimed in claim 2, wherein: the limiting seat (8) is connected inside the limiting groove (10) in a sliding mode.

4. The circuit board drilling clamp with high precision as claimed in claim 1, wherein: the lifting device is characterized in that a support frame (2) is arranged above the base (1), lifting assemblies (3) are arranged at four edges of the support frame (2), and the lifting assemblies (3) drive the mounting frame (4) to lift.

5. The circuit board drilling clamp with high precision as claimed in claim 4, wherein: lifting unit (3) are including rotating the lead screw of installing in four corners of base (1) upper surface and the nut of threaded connection on the lead screw, the both ends rigid coupling of mounting bracket (4) is on two nuts of homonymy.

6. The circuit board drilling clamp with high precision as claimed in claim 4, wherein: the motor used for driving the screw rod to rotate is installed inside the base (1).

7. The circuit board drilling clamp with high precision as claimed in claim 1, wherein: and a rubber pad (54) is fixedly connected to one side of the pressing strip (53) far away from the roller (52).

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