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CN-224233919-U - Adjustable clamp for circuit board drilling

CN224233919UCN 224233919 UCN224233919 UCN 224233919UCN-224233919-U

Abstract

The utility model relates to the technical field of circuit board drilling clamping and positioning, in particular to an adjustable clamp for circuit board drilling. The support comprises a base, the last fixed surface of base is connected with the brace table, the surface of base is provided with two support frames, two the support frame is located the both sides of brace table respectively, the support frame surface is provided with adjustment mechanism, adjustment mechanism includes two sliding frame, two sliding frame's inner wall and the surface sliding connection of support frame, sliding frame's last fixed surface is connected with the gag lever post, the circular arc face sliding connection of gag lever post has the limit frame, one side fixedly connected with butt joint piece that the limit frame is close to the brace table, sliding frame lateral wall surface is to the fixed block of the fixed position fixedly connected with of butt joint piece. The adjustable clamp for drilling the circuit board has the advantage of being convenient for clamping and limiting drilling operations on different types of circuit boards.

Inventors

  • LIU WENYU

Assignees

  • 梅州市万盟电子有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (7)

  1. 1. The utility model provides an adjustable clamp for circuit board drilling, which is characterized by comprising a pedestal (1), the upper surface fixedly connected with brace table (3) of pedestal (1), the surface of pedestal (1) is provided with two support frames (2), two support frames (2) are located the both sides of brace table (3) respectively, support frame (2) surface is provided with adjustment mechanism (4), adjustment mechanism (4) include two sliding frame (401), two inner wall and the surface sliding connection of brace table (2) of sliding frame (401), the upper surface fixedly connected with gag lever post (405) of sliding frame (401), the arc surface sliding connection of gag lever post (405) has spacing frame (406), one side fixedly connected with butt joint piece (404) that spacing frame (406) is close to brace table (3), the position fixedly connected with fixed block (403) of butt joint piece (404) are faced to the lateral wall surface of sliding frame (401), one end fixedly connected with actuating lever (407) that spacing frame (406) kept away from butt joint piece (404), the upper surface fixedly connected with gag lever post (408) of sliding frame (401), the pivot (408) is connected with the pivot (408), the lower surface screw thread of sliding frame (401) runs through fixed axle (402), the upper end of fixed axle (402) and the lower surface butt of support frame (2).
  2. 2. The adjustable clamp for drilling the circuit board according to claim 1, wherein friction pads (413) are fixedly connected to the surfaces of one sides, close to each other, of the butt joint blocks (404) and the fixing blocks (403), and anti-skidding patterns are formed on the surfaces of the friction pads (413).
  3. 3. The adjustable clamp for drilling the circuit board according to claim 1, wherein a scale (412) is arranged on the side wall surface of the supporting frame (2), and the length dimension of the scale (412) is matched with the length dimension of the supporting frame (2).
  4. 4. The adjustable clamp for drilling the circuit board according to claim 3, wherein a through hole (410) is formed in one side surface of the sliding frame (401) corresponding to the scale (412), an auxiliary rod (411) is fixedly connected to the inner wall surface of the through hole (410), and the section of the auxiliary rod (411) is in an arrow shape.
  5. 5. The adjustable clamp for drilling the circuit board according to claim 1, wherein positioning mechanisms (5) are arranged at positions, corresponding to two ends of the supporting frame (2), of the surfaces of two sides of the base (1), the positioning mechanisms (5) comprise positioning grooves (51), the positioning grooves (51) are formed in the surface of the base (1), the cross sections of the positioning grooves (51) are inverted T-shaped, mosaic blocks (56) are fixedly connected to the bottom ends of the circular arc surfaces of the supporting frame (2), the surfaces of the mosaic blocks (56) are in sliding connection with the inner walls of the positioning grooves (51), positioning plates (52) are fixedly connected to the surfaces of the base (1) corresponding to the positions of the supporting frame (2), positioning holes (53) are formed in the surfaces of the positioning plates (52), the cross sections of the positioning holes (53) are vertical, the inner walls of the positioning holes (53) are in sliding connection with the circular arc surfaces of the supporting frame (2), and mounting shafts (54) are in threaded connection with the circular arc surfaces of the supporting frame (2).
  6. 6. The adjustable clamp for drilling the circuit board according to claim 5, wherein a protection ring (55) is sleeved on the arc surface at the bottom end of the supporting frame (2), and the upper surface of the protection ring (55) is abutted against the lower surface of the mounting shaft (54).
  7. 7. The adjustable clamp for drilling a circuit board according to claim 5, wherein the positioning plate (52) is a hard alloy plate, and the length dimension of the positioning plate (52) is matched with the width dimension of the base (1).

Description

Adjustable clamp for circuit board drilling Technical Field The utility model relates to the technical field of circuit board drilling clamping and positioning, in particular to an adjustable clamp for circuit board drilling. Background The adjustable clamp for drilling the circuit board is generally used for accurately fixing and positioning the circuit board, ensuring the precision and stability in the drilling process, and generally using PIN nails to fix the circuit board on a drill floor in the drilling process of the circuit board. Prior art is such as the utility model of bulletin number CN215499778U, and this patent discloses a circuit board boring grab, and this patent includes anchor clamps main part, threaded rod, torsion spring, pivot and rubber pad, first logical groove has been seted up on the anchor clamps main part, the insert pole outside is provided with the movable rod, the second through groove has been seted up on the insert pole, it is provided with the pivot to place the case outside, the anchor clamps main part outside is provided with the stop lid, and stops the lid outside and be connected with the connecting block, the inside compression spring that is provided with of connecting block, and the compression spring outside is connected with the gag lever post, the third through groove has been seted up on the placing the case, the connecting block outside is connected with the rubber pad. This circuit board boring grab is provided with inserted bar, movable rod, can insert the first logical inslot portion in the anchor clamps main part with the inserted bar to spacing it, afterwards through rotatory threaded rod, thereby make it spacing more accurate to the circuit board, thereby lead to punching when preventing to punch it and be accurate inadequately, lead to the circuit board to scrap, make its use more convenient. In the drilling process of the circuit board, the whole circuit board can slide and deviate under the action of mechanical impact force of the drill bit when the drill bit rotates at a high speed to drill the circuit board, so that the circuit board can be fixed by the aid of the clamping mechanism, and meanwhile, the sizes of a plurality of clamping mechanisms are single and limited, and the circuit board of a plurality of types cannot be limited, so that the problem of inconvenient drilling processing of the circuit boards of various types is solved. Disclosure of utility model The utility model aims to solve the defects that in the prior art, in the process of drilling a circuit board, the whole circuit board can slide and deviate under the action of mechanical impact force of a drill bit when the drill bit rotates at a high speed, at the moment, the circuit board can be fixed by means of a clamping mechanism, and meanwhile, the sizes of a plurality of clamping mechanisms are single and limited, and the circuit boards of more types cannot be limited, so that the drilling processing of the circuit boards of more types is inconvenient. In order to solve the technical problems, the utility model provides an adjustable clamp for drilling a circuit board, which comprises a base, wherein the upper surface of the base is fixedly connected with a supporting table, the surface of the base is provided with two supporting frames, the two supporting frames are respectively positioned at two sides of the supporting table, the surface of the supporting frames is provided with an adjusting mechanism, the adjusting mechanism comprises two sliding frames, the inner walls of the two sliding frames are in sliding connection with the surfaces of the supporting frames, the upper surface of the sliding frames is fixedly connected with a limiting rod, the circular arc surface of the limiting rod is in sliding connection with a limiting frame, one side of the limiting frame close to the supporting table is fixedly connected with a butt joint block, the side wall surface of the sliding frame is fixedly connected with a fixed block, one end of the limiting frame far away from the butt joint block is fixedly connected with a driving rod, the surface of the sliding frame is fixedly connected with a connecting plate, the surface of the connecting plate is in threaded penetration with the circular arc surface of the driving rod, the bottom end of the driving rod is fixedly connected with a rotating shaft, the lower surface of the sliding frame is in threaded penetration with a fixing shaft, and the upper end of the fixing shaft is abutted against the lower surface of the supporting frame. The clamping limiting device has the advantages that in the process of machining and drilling the circuit board, the clamping limiting device can clamp and limit by means of the adjusting mechanism arranged on the surface of the support frame at the upper end of the base, and the clamping device can clamp and operate the whole circuit board better by horizontally moving the sliding frame and relatively moving t