CN-224218588-U - PCB fixing jig

CN224218588UCN 224218588 UCN224218588 UCN 224218588UCN-224218588-U

Abstract

The utility model provides a PCB fixing jig which comprises a bottom plate and a mounting seat, wherein the mounting seat is provided with a placing groove, the placing groove is used for placing a PCB, a plurality of mounting holes and a plurality of first supporting blocks are respectively arranged on two opposite inner side walls of the placing groove, the mounting holes are communicated with the placing groove, each first supporting block is respectively positioned right below a corresponding mounting hole, the first supporting blocks are used for supporting the PCB, a driving piece is arranged in each mounting hole, the output end of the driving piece is arranged towards the center of the placing groove, and the output end of the driving piece is fixedly connected with a stop block, and the stop block is driven by the driving piece to do linear reciprocating motion along the direction perpendicular to the inner side walls of the placing groove, so that the stop block can be movably stretched into the mounting holes to fix or release the PCB positioned in the placing groove. According to the utility model, the driving piece is arranged to drive the stop block to do linear reciprocating motion along the direction vertical to the inner side wall of the placing groove, so that the stop block can rapidly fix and release the PCB in the placing groove, and the working efficiency is greatly improved.

Inventors

DU CHAO
LAI YUMENG

Assignees

江西省东都智能装备科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250508

Claims (10)

1. The PCB fixing jig is characterized by comprising a bottom plate and mounting seats fixedly arranged on the bottom plate, wherein the mounting seats are provided with placing grooves used for placing a PCB, a plurality of mounting holes and a plurality of first supporting blocks are respectively arranged on two opposite inner side walls of the placing grooves, the mounting holes are communicated with the placing grooves, each first supporting block is respectively positioned under a corresponding mounting hole, and the first supporting blocks are used for supporting the PCB; The mounting hole is internally provided with a driving piece, the output end of the driving piece faces the center of the placing groove, the output end is fixedly connected with a stop block, the stop block is driven by the driving piece to do linear reciprocating motion along the direction perpendicular to the inner side wall of the placing groove, and the stop block can be movably telescopic in the mounting hole so as to fix or release the PCB in the placing groove.
2. The PCB fixing jig according to claim 1, wherein the driving piece comprises a shell, one end of the shell is provided with a containing cavity and an air inlet regulating valve, the air inlet regulating valve is communicated with the cavity bottom of the containing cavity through an air inlet pipeline, a piston is arranged in the containing cavity, and an air outlet of the air inlet pipeline is opposite to the middle part of the end face of the piston; The other end of the shell is fixedly provided with a guide sleeve, the guide sleeve coincides with the central line of the accommodating cavity, a push rod is slidably arranged in the guide sleeve in a penetrating mode, one end of the push rod is connected with the piston, and the other end of the push rod is connected with the stop block.
3. The fixture for fixing the PCB according to claim 2, wherein the piston comprises a connecting block part, a mounting cylinder part integrally connected with the connecting block part, and a connecting rod part arranged in the mounting cylinder part, the connecting block part is arranged in the accommodating cavity and the end face of the connecting block part is adjacent to the cavity bottom of the accommodating cavity, one end, far away from the connecting block part, of the mounting cylinder part is movably sleeved on the outer circumferential surface of the guide sleeve, one end of the connecting rod part is fixedly connected with the cylinder bottom of the mounting cylinder part, and the other end of the connecting rod part is fixedly connected with the push rod.
4. The PCB fixing jig according to claim 3, wherein the driving member further comprises a spring, the spring is sleeved on the connecting rod portion, one end of the spring is fixedly connected with the rod body of the connecting rod portion, and the other end of the spring is fixedly connected with the end face of the guide sleeve.
5. The fixture for fixing the PCB according to claim 2, wherein an external thread structure is arranged on a shaft at one end of the push rod far away from the piston, and an internal thread hole matched with the external thread structure is arranged on the stop block so as to realize threaded connection of the push rod and the stop block.
6. The PCB fixing jig according to claim 2, wherein a fixing block is further arranged in the accommodating cavity, the fixing block is arranged along the radial direction of the accommodating cavity, one end of the fixing block is connected with the side wall of the accommodating cavity, the other end of the fixing block is adjacent to the center of the end face of the piston, and a buffer cushion is arranged on one side, facing the piston, of the fixing block.
7. The fixture for fixing the PCB in accordance with claim 1, wherein a plurality of second supporting blocks are respectively arranged on the other two opposite inner side walls of the placement groove, and the upper surfaces of the second supporting blocks are flush with the upper surfaces of the first supporting blocks.
8. The fixture for fixing a PCB board of claim 7, wherein the second supporting block has a semicircular plate structure, and the second supporting block is fixedly connected with the inner side wall of the placement groove through a rectangular side surface thereof.
9. The fixture for fixing a PCB board according to claim 1, wherein the first supporting block has a rectangular plate structure, and the first supporting block is fixedly connected with an inner side wall of the placement groove through one side in a width direction thereof.
10. The fixture for fixing the PCB in accordance with claim 1, wherein the top surface of the mounting seat is further provided with at least two sheet taking grooves, the sheet taking grooves are communicated with the placing grooves, and the bottoms of the sheet taking grooves are lower than the upper surface of the first supporting block.

Description

PCB fixing jig Technical Field The utility model relates to the technical field of PCB fixing, in particular to a PCB fixing jig. Background In the modern PCB manufacturing process, printing the two-dimensional code on the PCB is one of important links, can realize the functions of identity recognition, production information tracing, quality control and the like of products, has important significance for improving the production management efficiency and the product quality of the PCB, and directly determines the printing precision and the quality of the two-dimensional code for fixing the PCB in the two-dimensional code printing process. At present, the mode of bolt clamping is mostly adopted in the fixation of PCB board on semi-automatic laser coding machine, supporting bolt clamping structure mainly includes the screw rod, with the nut of screw rod adaptation, locate the chuck of screw rod one end and locate the handle of screw rod other end, operating personnel drives the screw rod through rotating the handle and rotates, utilizes the threaded connection between nut and the screw rod to turn into rectilinear motion with the rotary motion of screw rod, promotes the chuck and applys clamping force to the PCB board, and then realizes the steady clamp to the PCB board. However, in the actual operation process, the clamping or disassembling of the PCB needs to be realized by manually rotating the handle for a plurality of times, the process is tedious and time-consuming, the production efficiency is low, and because the clamping force of the clamping head on the PCB is difficult to accurately control by means of the manual operation handle force application, the phenomenon that the PCB is displaced or a circuit on the PCB is cracked easily occurs, and the printing quality of the two-dimensional code on the PCB is seriously affected. Disclosure of utility model Based on the above, the utility model aims to provide a PCB fixing jig, which aims to solve the technical problems that the existing fixing of a PCB is in a bolt clamping mode, the clamping or the dismounting of the PCB is realized by manually rotating a handle for a plurality of times, the process is tedious and time-consuming, the production efficiency is low, the clamping force of a chuck on the PCB is difficult to accurately control, the phenomenon that the PCB is displaced or a circuit on the PCB is cracked easily occurs, and the printing quality of a two-dimensional code on the PCB is seriously affected. The utility model aims to provide a PCB fixing jig which comprises a bottom plate and mounting seats fixedly arranged on the bottom plate, wherein the mounting seats are provided with placing grooves used for placing a PCB, a plurality of mounting holes and a plurality of first supporting blocks are respectively arranged on two opposite inner side walls of the placing grooves, the mounting holes are communicated with the placing grooves, each first supporting block is respectively positioned under a corresponding mounting hole, and the first supporting blocks are used for supporting the PCB; The mounting hole is internally provided with a driving piece, the output end of the driving piece faces the center of the placing groove, the output end is fixedly connected with a stop block, the stop block is driven by the driving piece to do linear reciprocating motion along the direction perpendicular to the inner side wall of the placing groove, and the stop block can be movably telescopic in the mounting hole so as to fix or release the PCB in the placing groove. Compared with the prior art, the PCB fixing jig has the beneficial effects that the driving piece is arranged to drive the stop block to do linear reciprocating motion along the direction perpendicular to the inner side wall of the placing groove, so that the stop block can rapidly fix and release the PCB in the placing groove, compared with the fixing mode of manually tightening bolts for clamping, the time for fixing and disassembling the PCB is greatly shortened, the operation efficiency is improved, and due to the synergistic effect of the driving piece and the stop block, the PCB can obtain uniform and stable clamping force in the placing groove, the phenomenon of nonuniform clamping force is avoided, and the printing quality of two-dimensional codes on the follow-up PCB is ensured. In addition, the PCB fixing jig provided by the utility model can also have the following additional technical characteristics: Further, the driving piece comprises a shell, one end of the shell is provided with a containing cavity and an air inlet regulating valve, the air inlet regulating valve is communicated with the cavity bottom of the containing cavity through an air inlet pipeline, a piston is arranged in the containing cavity, and an air outlet of the air inlet pipeline is opposite to the middle part of the end face of the piston; The other end of the shell is fixedly provided with a guide sleeve, t