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CN-122002705-A - Breaking device and method for PCB

CN122002705ACN 122002705 ACN122002705 ACN 122002705ACN-122002705-A

Abstract

The invention provides a breaking device and a breaking method of a PCB (printed circuit board). The vertical driving piece can drive the elastic pressing plate to move, the elastic pressing plate is propped against the PCB, the horizontal driving piece can drive the driving plate to horizontally move so that the driving plate gradually withdraws from between two supporting bars of the movable supporting plate, the movable supporting plate can be separated from the driving plate, the movable supporting plate separated from the driving plate can form a step surface lower than a supporting plane, and when the edge of the step surface is opposite to the position of a dividing groove, the pressure of the elastic pressing plate is released, so that the PCB can be broken into unit plates at the dividing groove, and the breaking of the PCB is realized. The invention adopts the step structure formed by matching the driving plate and the movable supporting plate to divide the PCB, does not need to align and replace a die and a blade, can conveniently and rapidly divide the PCB, has simple structure, is easy to realize, has high dividing efficiency and strong universality.

Inventors

  • He Qincao

Assignees

  • 深圳市诚精隆科技有限公司

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The breaking device of the PCB is characterized by comprising an operation table, a movable supporting plate, a driving plate, an elastic pressing plate, a horizontal driving piece and a vertical driving piece, wherein the movable supporting plate comprises a sheet body and two supporting bars which are arranged at one side of the sheet body at intervals, the driving plate is arranged on the operation table, the horizontal driving piece is connected with the driving plate, the movable supporting plate is arranged on the driving plate, the two supporting bars are clamped at two sides of the driving plate, a plurality of movable supporting plates are arranged side by side, the sheet body of the plurality of movable supporting plates forms a supporting plane, the elastic pressing plate is arranged above the supporting plane, the elastic pressing plate is connected with the vertical driving piece, the supporting plane is used for placing the PCB to be broken, a plurality of evenly-spaced dividing grooves are formed in the PCB, and the PCB is divided into a plurality of unit plates by the evenly-spaced dividing grooves; The vertical driving piece is used for driving the elastic pressing plate to move towards the direction close to the supporting plane and enabling the elastic pressing plate to prop against the PCB, the horizontal driving piece is used for driving the driving plate to move horizontally and enabling the movable supporting piece to move downwards in sequence to separate from the driving plate, the movable supporting piece separated from the driving plate forms a step surface lower than the supporting plane, and when the edge of the step surface is opposite to the position of the dividing groove, the pressure of the elastic pressing plate enables the PCB to be divided into unit plates at the dividing groove.
  2. 2. The breaking device of the PCB as recited in claim 1, further comprising a connecting block, wherein the operating table comprises an upper surface and a lower surface opposite to the upper surface, the operating table is provided with a sliding hole penetrating through the upper surface and the lower surface, the horizontal driving piece is arranged on the lower surface and connected with one end of the connecting block, and the other end of the connecting block penetrates through the sliding hole and is connected with the driving plate.
  3. 3. A breaking device for a PCB board according to claim 2, wherein the driving board includes a board body and a connecting portion located at one end of the board body, the connecting portion is provided with a notch, and one end of the connecting block is fixed in the notch.
  4. 4. The breaking device of the PCB as set forth in claim 2, wherein the horizontal driving member comprises a motor, a screw rod and a nut, wherein the motor is connected with the screw rod, the nut is sleeved on the screw rod, the connecting block is fixed on the nut, and the motor is used for driving the screw rod to rotate and driving the nut to translate along the screw rod and further driving the connecting block to slide in the sliding hole so as to realize the horizontal movement of the driving plate.
  5. 5. The breaking device of the PCB as set forth in claim 1, wherein the vertical driving member comprises a plurality of columns, a sliding plate and a driving cylinder, wherein the columns are vertically arranged on the upper surface of the operating platform and penetrate through the sliding plate, the sliding plate is connected with the driving cylinder, the elastic pressing plate is fixed on one side of the sliding plate, which is close to the movable supporting plate, and the driving cylinder is used for driving the sliding plate to slide along the columns and driving the elastic pressing plate to move in the vertical direction.
  6. 6. A breaking device of a PCB board according to claim 1, wherein the ends of the two support bars remote from the sheet body are each provided with support feet formed by extending one ends of the two support bars in a direction away from each other.
  7. 7. A breaking device for a PCB board according to any one of claims 1 to 6, further comprising two reset top plates and a reset cylinder, wherein the reset top plates are disposed on the operation table, the two reset top plates are located at two sides of the driving block, the two support bars of the movable supporting plate are abutted against the reset top plates, the reset cylinder is located under the operation table, and a top post of the reset cylinder passes through the operation table and is connected with the reset top plates.
  8. 8. A breaking method based on a breaking device of a PCB board according to any one of claims 1-7, comprising the steps of: placing a PCB to be cut on a supporting plane formed by a plurality of movable supporting sheets; The vertical driving piece drives the elastic pressing plate to move towards the direction close to the supporting plane, and enables the elastic pressing plate to press against the PCB; the horizontal driving piece drives the driving plate to horizontally move, so that the movable supporting pieces sequentially move downwards and are separated from the driving plate, and the movable supporting pieces separated from the driving plate form a step surface lower than the supporting plane; When the edge of the step surface is opposite to the position of the dividing groove of the PCB, the pressure of the elastic pressing plate enables the PCB to be divided into unit plates at the dividing groove.
  9. 9. A breaking method of a PCB board according to claim 8, wherein when the movable supporting plate moves downward in sequence to separate from the driving plate, the movable supporting plate can drive the reset top plate to move downward, so that the reset cylinder is retracted.
  10. 10. A breaking method of a PCB board according to claim 9, further comprising: after all the movable supporting sheets are separated from the driving plate, the vertical driving piece drives the elastic pressing plate to move in a direction away from the supporting plane so as to reset the elastic pressing plate; the reset cylinder ejects and drives the reset top plate to move upwards, so as to drive the movable supporting plate to reset; The horizontal driving piece drives the driving plate to horizontally move so that the movable supporting piece is clamped on the driving plate again, and then the driving plate is reset.

Description

Breaking device and method for PCB [ Field of technology ] The invention relates to the technical field of circuit boards, in particular to a breaking device and a breaking method of a PCB. [ Background Art ] In general, in the production process of a printed circuit board (i.e., PCB board), circuit patterns are printed on the same substrate in batches to improve the production efficiency, so that in practical application, the produced PCB board needs to be broken to form a unit board. The existing breaking device adopts a mechanical arm type breaking mode or a penetrating blade cutting mode, the structure of the device is complex, the die is needed to assist, the alignment is needed during breaking, and the working efficiency is low. In view of the foregoing, it is necessary to provide a novel breaking device and breaking method for a PCB board to overcome the above-mentioned drawbacks. [ Invention ] The invention aims to provide a breaking device and a breaking method of a PCB (printed Circuit Board) so as to overcome the technical problems. In order to achieve the above purpose, in a first aspect, the invention provides a breaking device of a PCB board, comprising an operation table, a movable supporting plate, a driving plate, an elastic pressing plate, a horizontal driving piece and a vertical driving piece, wherein the movable supporting plate comprises a sheet body and two supporting bars which are arranged at one side of the sheet body at intervals, the driving plate is arranged on the operation table, the horizontal driving piece is connected with the driving plate, the movable supporting plate is arranged on the driving plate, the two supporting bars are clamped at two sides of the driving plate, a plurality of movable supporting plates are arranged side by side, the sheet body of the plurality of movable supporting plates forms a supporting plane, the elastic pressing plate is arranged above the supporting plane, the elastic pressing plate is connected with the vertical driving piece, the supporting plane is used for placing the PCB board to be broken, the PCB board is provided with a plurality of evenly spaced dividing grooves, and the PCB board is divided into a plurality of unit boards by the evenly spaced dividing grooves; The vertical driving piece is used for driving the elastic pressing plate to move towards the direction close to the supporting plane and enabling the elastic pressing plate to prop against the PCB, the horizontal driving piece is used for driving the driving plate to move horizontally and enabling the movable supporting piece to move downwards in sequence to separate from the driving plate, the movable supporting piece separated from the driving plate forms a step surface lower than the supporting plane, and when the edge of the step surface is opposite to the position of the dividing groove, the pressure of the elastic pressing plate enables the PCB to be divided into unit plates at the dividing groove. In a preferred embodiment, the device further comprises a connecting block, the operating platform comprises an upper surface and a lower surface opposite to the upper surface, the operating platform is provided with a sliding hole penetrating through the upper surface and the lower surface, the horizontal driving piece is arranged on the lower surface and connected with one end of the connecting block, and the other end of the connecting block penetrates through the sliding hole and is connected with the driving plate. In a preferred embodiment, the driving plate includes a plate body and a connecting portion located at one end of the plate body, the connecting portion is provided with a notch, and one end of the connecting block is fixed in the notch. In a preferred embodiment, the horizontal driving piece comprises a motor, a screw rod and a nut, wherein the motor is connected with the screw rod, the nut is sleeved on the screw rod, the connecting block is fixed on the nut, and the motor is used for driving the screw rod to rotate and driving the nut to translate along the screw rod so as to drive the connecting block to slide in the sliding hole, so that the horizontal movement of the driving plate is realized. In a preferred embodiment, the vertical driving piece comprises a plurality of stand columns, a sliding plate and a driving air cylinder, wherein the stand columns are vertically arranged on the upper surface of the operating platform, the stand columns penetrate through the sliding plate, the sliding plate is connected with the driving air cylinder, the elastic pressing plate is fixed on one side, close to the movable supporting plate, of the sliding plate, and the driving air cylinder is used for driving the sliding plate to slide along the stand columns and driving the elastic pressing plate to move in the vertical direction. In a preferred embodiment, the ends of the two support bars remote from the sheet body are each provided with a support foot formed by