CN217123360U

CN217123360U - Cutting device for avoiding warping of PCB

Info

Publication number: CN217123360U
Application number: CN202122994229.XU
Authority: CN
Inventors: 叶婉秋; 何立发; 肖玉珍
Original assignee: Longnan Junya Electronic Technology Co ltd
Current assignee: Longnan Junya Electronic Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-05
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an avoid crooked device of opening of PCB board, concretely relates to PCB board processing equipment technical field, comprising a base plate, bottom plate upper end left part and upper end right part symmetry fixed mounting have two slide bars, two the common slidable mounting of slide bar surface has a slide, four the common fixed mounting of slide bar upper end has the board of worker, pneumatic cylinder output slidable mounting has the piston rod, the piston rod lower extreme runs through board of worker's upper end middle part and extends to the lower part and with slide upper end middle part fixed connection together, board of worker's lower extreme fixed mounting has press device. A avoid crooked device of opening of PCB board, place the PCB board in the bottom plate upper end, open the motor, through two cutting mechanism of mechanical connection adjustment to suitable position, through mechanical connection, make two cutting mechanism descend, press down fixedly to the PCB board, carry out the fly-cutting to the PCB board through the cutting sword at last, reduced the probability that the PCB board warp and upwarp.

Description

Cutting device capable of avoiding warping of PCB

Technical Field

The utility model relates to a PCB board processing equipment technical field, in particular to avoid crooked device of opening of PCB board.

Background

With the rapid development of science and technology, PCBs enter the printed electronics era, are important electronic components and carriers of electronic components, and are very commonly used in many fields, and printed electronics can be manufactured into complex electronic circuits combining electronic components and circuits through various printing technologies, so that the PCB is also called as a "printed electronic circuit", and has already occupied an important position in the electronic industry at present.

In prior art, because of the peripheral locating component that does not have the fixed PCB board position, lead to when cutting the PCB board, the PCB board can produce to warp and lead to the shape not of uniform size, directly leads to the side burr to increase to the cutting of PCB board directness moreover, and the qualification rate descends, needs the artifical burr of later stage to polish and eliminate, increases workman's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an avoid crooked cutting device of PCB board can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an avoid crooked device of opening of PCB board, includes the bottom plate, the equal fixed mounting in bottom plate lower extreme four corners has the landing leg, bottom plate upper end left part and upper end right part symmetry fixed mounting have two slide bars, two the common slidable mounting of slide bar surface has the slide, four the common fixed mounting of slide bar upper end has the worker's board, worker's board upper end left part fixed mounting has the control box, worker's board upper end middle part fixed mounting has the pneumatic cylinder, pneumatic cylinder output slidable mounting has the piston rod, the piston rod lower extreme runs through worker's board upper end middle part and extends to the lower part and with slide upper end middle part fixed connection together, worker's board lower extreme fixed mounting has press device.

Preferably, the front part of the lower end of the sliding plate and the rear part of the lower end of the sliding plate are symmetrically and fixedly provided with connecting plates, the left part of the lower end of the sliding plate is fixedly provided with a motor, the output end of the motor is fixedly provided with a threaded rod through a coupler, and the left and right of the lower end of the connecting plates are symmetrically and slidably provided with cutting mechanisms.

Preferably, cutting mechanism includes the mounting panel, mounting panel upper end middle part fixed mounting has the fixed block, the fixed block is in the same place with threaded rod surface threaded connection, the equal fixed mounting in mounting panel lower extreme four corners has buffer gear, lies in two with one side the common fixed mounting of buffer gear lower extreme has the clamp plate, buffer gear lower extreme middle part fixed mounting has the cutting sword.

Preferably, the thread directions of the left part of the outer surface and the right part of the outer surface of the threaded rod are opposite.

Preferably, the lower ends of the four pressing plates are fixedly provided with rubber cushions.

Preferably, buffer gear includes the sleeve, the sleeve upper end is in the same place with mounting panel lower extreme fixed connection, sleeve lower extreme middle part slidable mounting has the depression bar, the depression bar upper end runs through sleeve lower extreme middle part and extends to upper portion and fixed mounting has the spring, the spring upper end is in the same place with sleeve inner chamber roof fixed connection.

Preferably, a placing cavity is formed in the cutting knife, and a heating coil is fixedly mounted in the placing cavity.

Preferably, the cutting blade is a metal cutting blade.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a place the PCB board in the bottom plate upper end, open the motor, it is rotatory to drive the threaded rod through mechanical connection, two cutting mechanism to suitable position of screw thread adjustment opposite through the threaded rod surface, it passes through mechanical connection to open the pneumatic cylinder, make the slide descend, and then make two cutting mechanism descend, the back slide continues to descend to hug closely with PCB board upper end when the clamp plate lower extreme, make the depression bar remove to sleeve inner chamber through mechanical connection, firmly fixed with the PCB board under the effect of spring, prevent that the PCB board from removing, the in-process cutting sword that lasts the decline at the slide carries out the fly-cutting to the PCB board under heating coil's effect, the probability of PCB board deformation upwarping and the quantity of burr have been reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a cutting device for preventing a PCB from warping according to the present invention;

FIG. 2 is a schematic view of the overall structure of the pressing device;

FIG. 3 is a schematic view of the overall structure of the cutting mechanism;

FIG. 4 is a schematic view of the overall structure of the buffer mechanism;

fig. 5 is a partial cross-sectional view of a cutting blade.

In the figure: 1. a base plate; 2. a support leg; 3. a slide bar; 5. a control box; 6. a hydraulic cylinder; 7. a tooling plate; 8. a pressing device; 81. a connecting plate; 82. a motor; 83. a threaded rod; 84. a cutting mechanism; 841. mounting a plate; 843. a fixed block; 844. a buffer mechanism; 8441. a sleeve; 8442. a pressure lever; 8443. a spring; 845. pressing a plate; 847. a cutting blade; 8471. a heating coil; 9. a slide board.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-5, a cutting device for avoiding warping of a PCB (printed circuit board), which comprises a bottom plate 1, wherein the bottom plate 1 plays a role of placing the PCB and fixing parts such as slide rods 3, four corners of the lower end of the bottom plate 1 are fixedly provided with supporting legs 2, the left part of the upper end and the right part of the upper end of the bottom plate 1 are symmetrically and fixedly provided with two slide rods 3, the bottom plate 1 plays a role of fixing parts such as a template plate 7 and a slide plate 9, the outer surfaces of the two slide rods 3 are jointly and slidably provided with a slide plate 9, the bottom plate 9 plays a role of fixing a pressing device 8, the front part of the lower end and the rear part of the lower end of the slide plate 9 are symmetrically and fixedly provided with connecting plates 81, the bottom plate 9 plays a role of fixing cutting mechanisms 84, the left part of the lower end of the slide plate 9 is fixedly provided with a motor 82, the motor 82 plays a role of providing power for the movement of the two cutting mechanisms 84, the output end of the motor 82 is fixedly provided with a threaded rod 83 through a coupler, the role of moving the two cutting mechanisms 84, the left part of the outer surface and the right part of the outer surface of the threaded rod 83 are opposite in direction, the moving directions of the two cutting mechanisms 84 are opposite, the cutting mechanisms 84 are symmetrically arranged at the left and right of the lower ends of the two connecting plates 81 in a sliding mode, the PCB is pressed and cut, each cutting mechanism 84 comprises a mounting plate 841, the fixing block 843 and a buffer mechanism 844 are fixed, the fixing block 843 is fixedly arranged in the middle of the upper end of the mounting plate 841, the outer surface of the threaded rod 83 is connected, the mounting plate 841 is moved, the fixing block 843 is connected with the outer surface of the threaded rod 83 in a threaded mode, the buffer mechanisms 844 are fixedly arranged at four corners of the lower end of the mounting plate 841 and press the PCB, each buffer mechanism 844 comprises a sleeve 8441, the fixing pressure rods 8442 and a spring 8443 are fixed, the upper end of each sleeve 8441 is fixedly connected with the lower end of the corresponding mounting plate 841, a pressure rod 8442 is slidably arranged in the middle of the lower end of each sleeve 8441 and plays a role of fixing a pressure plate 845, the upper end of each pressure rod 8442 penetrates through the middle of the lower end of each sleeve 8441 to extend to the upper portion, and is fixedly provided with a spring 8443, the pressing rod 8442 is pressed, the upper end of the spring 8443 is fixedly connected with the top wall of the inner cavity of the sleeve 8441, the pressing plates 845 are fixedly mounted at the lower ends of the two buffering mechanisms 844 on the same side together, the PCB is fixed, rubber cushions are fixedly mounted at the lower ends of the four pressing plates 845, the PCB is protected, the cutting knife 847 is fixedly mounted in the middle of the lower end of the buffering mechanisms 844, the cutting knife 847 is used for cutting the PCB, the cutting knife 847 is a metal cutting knife with good heat conductivity, a placing cavity is formed in the cutting knife 847, a heating coil 8471 is fixedly mounted in the placing cavity, the heating coil 8471 heats the cutting knife 847 so as to cut the PCB faster, the tooling plate 7 is fixedly mounted at the upper ends of the four sliding rods 3 together, the purpose of fixing the control box 5 and the hydraulic cylinder 6 is achieved, the control box 5 is fixedly mounted at the left part of the upper end of the tooling plate 7, the hydraulic cylinder 6 is fixedly mounted in the middle of the upper end of the tooling plate 7, control box 5 and pneumatic cylinder 6 cooperate so that reach the purpose by control box 5 control hydraulic cylinder 6, and 6 output slidable mounting of pneumatic cylinder have a piston rod, play the purpose of pressing slide 9, and the piston rod lower extreme runs through 7 upper ends middle parts of worker's board and extends to the lower part and with slide 9 upper end middle part fixed connection together, and 7 lower extreme fixed mounting of worker's board has press device 8, plays the purpose of fixed PCB board.

It should be noted that the utility model is a cutting device for avoiding the warping of PCB, the PCB is placed on the upper end of the bottom plate 1, the motor 82 is turned on, the threaded rod 83 is driven to rotate under the connection of the coupler, the two cutting mechanisms 84 are moved through the opposite threads on the outer surface of the threaded rod 83, the two cutting mechanisms 84 are adjusted to proper positions, then the hydraulic cylinder 6 is started, the piston rod pushes the slide plate 9 to move downwards under the action of the hydraulic cylinder 6, so that the two cutting mechanisms 84 move downwards, when the lower end of the pressing plate 845 is tightly attached to the upper end of the PCB, the sliding plate 9 continues to descend under the action of the piston rod, the eight pressing rods 8442 respectively move towards the inner cavities of the eight sleeves 8441, the pressing plate 845 is tightly attached to the upper end of the PCB under the action of the spring 8443, the PCB is firmly fixed, the PCB is prevented from moving, and finally the cutting knife 847 is used for rapidly cutting the PCB under the action of heating of the heating coil 8471 and pressing of the sliding plate 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an avoid crooked device of opening of PCB board, includes bottom plate (1), its characterized in that: bottom plate (1) lower extreme four corners equal fixed mounting has landing leg (2), bottom plate (1) upper end left part and upper end right part symmetry fixed mounting have two slide bars (3), two slide bar (3) surface common slidable mounting has slide (9), four slide bar (3) upper end common fixed mounting has worker's board (7), worker's board (7) upper end left part fixed mounting has control box (5), worker's board (7) upper end middle part fixed mounting has pneumatic cylinder (6), pneumatic cylinder (6) output slidable mounting has the piston rod, the piston rod lower extreme runs through worker's board (7) upper end middle part and extends to the lower part and be in the same place with slide (9) upper end middle part fixed connection, worker's board (7) lower extreme fixed mounting has press device (8).

2. The blanking device for avoiding the warpage of the PCB as claimed in claim 1, wherein: the utility model discloses a cutting machine, including slide (9), motor (82), connecting plate (81), connecting plate (9) lower extreme front portion and lower extreme rear portion symmetry fixed mounting have connecting plate (81), slide (9) lower extreme left part fixed mounting has motor (82), motor (82) output has threaded rod (83), two through shaft coupling fixed mounting the common slidable mounting of connecting plate (81) lower extreme bilateral symmetry has cutting mechanism (84).

3. The blanking device for avoiding the warpage of the PCB as claimed in claim 2, wherein: cutting mechanism (84) include mounting panel (841), mounting panel (841) upper end middle part fixed mounting has fixed block (843), fixed block (843) are in the same place with threaded rod (83) surface threaded connection, the equal fixed mounting in mounting panel (841) lower extreme four corners has buffer gear (844), lies in two with one side buffer gear (844) lower extreme common fixed mounting has clamp plate (845), buffer gear (844) lower extreme middle part fixed mounting has cutting sword (847).

4. A cutting device for avoiding the warping of PCB board according to claim 3, characterized in that: the thread directions of the left part of the outer surface and the right part of the outer surface of the threaded rod (83) are opposite.

5. A cutting device for avoiding the warping of PCB board according to claim 3, characterized in that: four the lower extreme of clamp plate (845) all fixed mounting has the rubber cushion.

6. A cutting device for avoiding PCB board warping according to claim 3, characterized in that: buffer gear (844) include sleeve (8441), sleeve (8441) upper end and mounting panel (841) lower extreme fixed connection are in the same place, sleeve (8441) lower extreme middle part slidable mounting has depression bar (8442), depression bar (8442) upper end runs through sleeve (8441) lower extreme middle part and extends to upper portion and fixed mounting has spring (8443), spring (8443) upper end and sleeve (8441) inner chamber roof fixed connection are in the same place.

7. A cutting device for avoiding the warping of PCB board according to claim 3, characterized in that: a placing cavity is formed in the cutting knife (847), and a heating coil (8471) is fixedly mounted in the placing cavity.

8. A cutting device for avoiding the warping of PCB board according to claim 7, characterized in that; the cutting knife (847) is a metal cutting knife.