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CN-224205328-U - PCB locating pin gas clamp structure capable of being finely adjusted

CN224205328UCN 224205328 UCN224205328 UCN 224205328UCN-224205328-U

Abstract

The utility model discloses a PCB positioning pin air clamp structure capable of being finely adjusted, wherein a stepped surface is arranged in parallel in a base, an installation groove is arranged in parallel on the inner side of the stepped surface, a fine adjustment assembly is arranged in the installation groove, an air clamp main body assembly is arranged in the fine adjustment assembly in a relatively adjustable manner, the upper end of the fine adjustment assembly is in contact connection with a limiting assembly, and the side surface of the fine adjustment assembly is relatively fixedly connected with the base. According to the utility model, through the adjustment operation of the precision screw in the fine adjustment assembly, a worker can accurately fine-adjust the position of the air clamp main body assembly, the positioning accuracy can be improved to a micron level or even smaller, the positioning accuracy of the PCB in the processing process is greatly improved, and the high-quality completion of subsequent processing procedures such as etching, welding and the like is ensured.

Inventors

  • HU FENGHUA
  • XIAO FANGQI

Assignees

  • 湖南微纳智控科技有限公司

Dates

Publication Date
20260505
Application Date
20250526

Claims (9)

  1. 1. The PCB locating pin air clamp structure capable of being finely adjusted is characterized by comprising a base (1), a step surface (2), a mounting groove (3), an air clamp main body component (4), a limiting component (5) and a fine adjustment component (6), wherein the step surface (2) is arranged in the base (1) in parallel, the mounting groove (3) is arranged in the inner side of the step surface (2) in parallel, the fine adjustment component (6) is arranged in the mounting groove (3), the air clamp main body component (4) is arranged in the fine adjustment component (6) in a relatively adjustable mode, the upper end of the fine adjustment component (6) is in contact connection with the limiting component (5), and the side face of the fine adjustment component (6) is in relatively fixed connection with the base (1).
  2. 2. The fine-adjustable PCB positioning pin air clamp structure of claim 1, wherein the fine-adjustment assembly (6) comprises a precision screw (7), an inclined jacking column (8), an adjusting block (9) and an installing block (10), the adjustable precision screw (7) is oppositely arranged on two adjacent sides of the base (1) in a penetrating mode, the inner side of one precision screw (7) is connected with the inclined jacking column (8) in an adapting mode, the inclined jacking column (8) penetrates through the installing block (10) and is abutted to the adjusting block (9), the installing block (10) is arranged in the installing groove (3), one side of the installing block (10) is connected with the other precision screw (7), the side face of the adjusting block (9) is communicated with the base (1), and the air clamp main body assembly (4) is movably arranged in the adjusting block (9).
  3. 3. The fine-tuning PCB positioning pin air clamp structure according to claim 2, wherein the air clamp main body assembly (4) comprises an air passage (11), a sleeve (12) and a clamp head (13), the air passage (11) is reserved between the adjusting block (9) and the sleeve (12), the air passage (11) is communicated with the side surface of the adjusting block (9) into the base (1), the base (1) is communicated with an external origin through an air pipe joint, the adjustable clamp head (13) is coaxially arranged in the sleeve (12), and the upper end of the clamp head (13) is higher than the upper end of the adjusting block (9).
  4. 4. The fine-adjustable PCB positioning pin air clamp structure of claim 3 is characterized in that the limiting assembly (5) comprises a limiting cover plate (14), limiting screw holes (15) and glass beads A (16), the four corners of the stepped surface (2) are provided with the limiting screw holes (15), fixing bolts are screwed into the limiting screw holes (15) to fixedly connect the limiting cover plate (14) with the stepped surface (2), and the periphery of the adjusting block (9) surrounding the clamping head (13) is uniformly provided with the convex glass beads A (16).
  5. 5. The fine-tuning PCB positioning pin air clamp structure of claim 4, wherein the limiting cover plate (14) is provided with an avoidance hole, and the avoidance hole is opposite to the positions of the clamping head (13) and the glass bead A (16).
  6. 6. The fine-tuning PCB positioning pin air clamp structure according to claim 4 or 5, wherein the four feet of the base (1) are provided with mounting holes (17), and the mounting holes (17) are fixedly connected with an external workbench through fixing bolts.
  7. 7. The fine-tuning PCB positioning pin air clamp structure of claim 6, wherein adjusting holes A (18) are formed in two adjacent sides of the base (1) oppositely, adjusting holes B (19) are formed in the vertical direction of the adjusting holes A (18), the adjusting holes B (19) are communicated with the adjusting holes A (18), and adjustable precise screws (7) are arranged in the adjusting holes A (18).
  8. 8. The fine-tuning PCB positioning pin air clamp structure according to claim 2, wherein the front part of the inclined top column (8) is a square column.
  9. 9. The fine-tuning PCB positioning pin air clamp structure of claim 7, wherein glass beads B (20) and glass beads C (21) are respectively arranged on two adjacent sides of the mounting block (10), the outer sides of the glass beads B (20) can be in relative sliding contact with the base (1), the glass beads C (21) can be in relative sliding contact with the adjusting block (9), and the positions of the glass beads B (20) and the glass beads C (21) are opposite to the positions of the precision screws (7).

Description

PCB locating pin gas clamp structure capable of being finely adjusted Technical Field The utility model relates to the technical field of PCB processing devices, in particular to a fine-tuning PCB positioning pin air clamp structure. Background In the drilling process of the PCB, the accurate fixing of the PCB is important to ensure the processing quality and accuracy, and positioning is generally performed by adopting a positioning pin or vacuum adsorption mode and the like. Therefore, a worker is required to periodically check the adjustment pin position. At present, the conventional PCB positioning pin air clamp is difficult to accurately fine tune and even cannot fine tune, after the conventional air clamp is installed and fixed, the clamping position of the pin is always fixed or can only be roughly adjusted, and accurate micro-displacement adjustment is difficult to realize, so that the PCB is not accurately positioned during processing, and the processing precision of follow-up procedures such as deviation of etched lines, inaccurate welding positions of elements and the like is affected easily. Therefore, a PCB locating pin air clamp structure capable of being finely adjusted needs to be designed, the problem that an existing locating pin air clamp cannot be adjusted can be effectively solved, the locating pin clamping position is detected and adjusted regularly, the locating precision of a PCB in the drilling process is remarkably improved, the overall efficiency and quality are improved, and the PCB locating pin air clamp structure is further improved. Disclosure of Invention In order to solve the technical problems, the utility model provides a fine-adjustable PCB positioning pin air clamp structure which is characterized by comprising a base, a stepped surface, a mounting groove, an air clamp main body component, a limiting component and a fine-adjusting component, wherein the stepped surface is arranged in parallel in the base, the mounting groove is arranged in parallel on the inner side of the stepped surface, the fine-adjusting component is arranged in the mounting groove, the air clamp main body component is arranged in the fine-adjusting component in a relatively adjustable manner, the upper end of the fine-adjusting component is in contact connection with the limiting component, and the side surface of the fine-adjusting component is in relatively fixed connection with the base. Preferably, the fine adjustment assembly comprises precision screws, inclined jacking columns, adjusting blocks and mounting blocks, wherein the adjustable precision screws are oppositely arranged on two adjacent sides of the base in a penetrating mode, the inner sides of one of the precision screws are connected with the inclined jacking columns in an adapting mode, the inclined jacking columns penetrate through the mounting blocks and are propped against the adjusting blocks, the mounting blocks are arranged in the mounting grooves, one sides of the mounting blocks are connected with the other precision screws, the side faces of the adjusting blocks are communicated with the base, and an air clamp main body assembly is movably arranged in the adjusting blocks. Preferably, the air clamp main body assembly comprises an air passage, a sleeve and a clamping head, wherein the air passage is reserved between the adjusting block and the sleeve, the side surfaces of the air passage and the adjusting block are communicated into the base, the base is communicated with an external origin through an air pipe joint, the inside of the sleeve is coaxially provided with the adjustable clamping head, and the upper end of the clamping head is higher than the upper end of the adjusting block. The limiting assembly comprises a limiting cover plate, limiting screw holes and glass beads A, wherein the four corners of the stepped surface are provided with limiting screw holes, fixing bolts are screwed into the limiting screw holes to fixedly connect the limiting cover plate with the stepped surface, and the adjusting blocks are uniformly provided with the raised glass beads A around the chuck. Preferably, the limiting cover plate is provided with an avoidance hole, and the avoidance hole is opposite to the chuck and the glass bead A. Preferably, the four feet of the base are provided with mounting holes, and the mounting holes are fixedly connected with the external workbench through fixing bolts. Preferably, the two adjacent sides of the base are oppositely provided with adjusting holes A, the vertical direction of each adjusting hole A is provided with adjusting holes B, each adjusting hole B is communicated with the corresponding adjusting hole A, and the adjusting holes A are internally provided with adjustable precision screws. Preferably, the front part of the inclined top column is a square column. Preferably, two adjacent sides of the mounting block are respectively provided with a glass bead B and a glass bead C, the outer si