PCB (Printed Circuit Board) etching device for LCD (Liquid Crystal Display) screen production

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) processing, in particular to a PCB etching device for LCD (Liquid Crystal Display) screen production, which comprises a rack, mounting blocks are arranged in the middles of the tops of the left and right sides of the rack, supporting plates are arranged at the bottom ends of the outer sides of the mounting blocks, sliding rod seats are arranged at the corners of the top of the rack, and a sliding rod is fixedly connected between the sliding rod seats on the front and rear sides; an electric cylinder is fixedly connected to the supporting plate, and a clamping assembly used for fixing the PCB is arranged on a telescopic rod on the inner side of the electric cylinder. According to the utility model, through the arrangement of the electric cylinder and the clamping assembly, PCBs of various sizes can be clamped, the practicability is relatively high, and the stability in the etching process of the PCBs can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, in particular to a PCB board etching device for producing LCD display screens. Background Art

[0002] PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. PCB boards need to be etched during board making. A Chinese patent discloses a PCB etching device. (Authorization Announcement No. CN218450755U). This patented technology can be provided with a clamping component, which is convenient for clamping and fixing the PCB board through the action of the clamping component, and then a telescopic cylinder is provided. The clamping component is connected to the telescopic cylinder, and the clamping component can be pushed to move left and right through the action of the telescopic cylinder, so that the distance between the two clamping components can be adjusted. After adjustment, it is convenient to clamp and fix PCB boards of different widths. However, the device cannot clamp PCB boards of smaller sizes, which affects the stability of PCB board etching and has low practicality. Therefore, a person skilled in the art provides a PCB etching device for LCD display production to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a PCB etching device for LCD display screen production, comprising a frame, a mounting block is provided in the middle of the top of the left and right sides of the frame, a support plate is provided at the bottom end of the outer side of the mounting block, and a slide bar seat is provided at the corner of the top of the frame, and a slide bar is fixedly connected between the slide bar seats on the front and rear sides;

[0004] An electric cylinder is fixedly connected to the support plate, and a clamping assembly for fixing the PCB board is provided on the inner telescopic rod of the electric cylinder;

[0005] The clamping assembly includes a slide, a threaded rod, a clamping block and a nut. A placement cavity is provided inside the slide, an adjustment groove is provided on the top of the placement cavity, and sliding holes are provided at both ends of the slide.

[0006] The threaded rod is slidably connected to the adjusting groove, and the clamping block is fixed to the bottom of the threaded rod.

[0007] Preferably, the middle parts of the inner walls on both sides of the frame are symmetrically provided with card slots, a slag receiving plate is slidably connected in the card slot, and a handle is provided on the outer side of the slag receiving plate.

[0008] Preferably, two electric cylinders are provided, the two electric cylinders are symmetrically arranged on the support plate, and the inner ends of the telescopic rods are each provided with a clamping assembly.

[0009] Preferably, two threaded rods are slidably connected to the sliding platform.

[0010] Preferably, nuts are threadedly connected to both the threaded rod above the sliding table and the threaded rod located inside the placement cavity.

[0011] Preferably, a rubber gasket is bonded to the bottom of the placement cavity.

[0012] The technical effects and advantages of the present utility model:

[0013] In the present utility model, by providing an electric cylinder and a clamping assembly, PCB boards of various sizes can be clamped, which has strong practicability. Rotate the nuts on the upper and lower threaded rods to make the threaded rod slide along the adjustment groove. Start the electric cylinder to make the distance between the two sliding tables adapt to the width of the PCB board. Then place both ends of the PCB board on the rubber gasket bonded to the bottom of the placement cavity. After adjusting the threaded rod to an appropriate position, press the PCB board. Finally, rotate the nuts on the upper and lower threaded rods to fix the threaded rod on the sliding table. At this time, the clamping and fixing of the PCB board are completed, which is beneficial to improving the stability during the etching process of the PCB board. Description of the Drawings

[0014] Figure 1 is a schematic three-dimensional structure diagram of a PCB board etching device for LCD display production provided by an embodiment of the present application Figure 1 ;

[0015] Figure 2 is provided by an embodiment of the present application Figure 1 The partial enlarged view at A in

[0016] Figure 3 is a schematic three-dimensional structure diagram of a PCB board etching device for LCD display production provided by an embodiment of the present application Figure 2 ;

[0017] Figure 4 is a schematic diagram of the frame structure in a PCB board etching device for LCD display production provided by an embodiment of the present application;

[0018] Figure 5 is a schematic diagram of the structure of the clamping assembly in a PCB board etching device for LCD display production provided by an embodiment of the present application;

[0019] Figure 6 is provided by an embodiment of the present application Figure 5 The partial enlarged view at B in

[0020] In the figure:

[0021] 1. Frame; 11. Mounting block; 12. Support plate; 13. Slide bar seat; 14. Slide bar; 15. Card slot; 2. Electric cylinder; 21. Telescopic rod; 3. Clamping assembly; 31. Slide table; 311. Placement cavity; 312. Adjustment groove; 313. Slide hole; 32. Threaded rod; 33. Clamping block; 34. Nut; 35. Rubber gasket; 4. Scrap tray; 41. Handle. Detailed implementation mode

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation modes. The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustive or limited to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes. Embodiment

[0023] Please refer to Figures 1 to 6 , in this embodiment, a PCB board etching device for LCD display production is provided, including a frame 1. Mounting blocks 11 are provided in the middle of the top of the left and right sides of the frame 1. Support plates 12 are provided at the outer bottom ends of the mounting blocks 11, and slide bar seats 13 are provided at the top corners of the frame 1. A slide bar 14 is fixedly connected between the slide bar seats 13 on the front and rear sides;

[0024] An electric cylinder 2 is fixedly connected to the support plate 12, and a clamping assembly 3 for fixing the PCB board is provided on the telescopic rod 21 inside the electric cylinder 2; The clamping assembly 3 includes a slide table 31, a threaded rod 32, a clamping block 33 and a nut 34. A placement cavity 311 is opened inside the slide table 31, an adjustment groove 312 is opened at the top of the placement cavity 311, and slide holes 313 are opened at both ends of the slide table 31; The threaded rod 32 is slidably connected to the adjustment groove 312, and the clamping block 33 is fixed to the bottom of the threaded rod 32.

[0025] Specifically, card slots 15 are symmetrically opened in the middle of the inner walls on both sides of the frame 1. A scrap tray 4 is slidably clamped in the card slots 15. A handle 41 is provided outside the scrap tray 4. Two electric cylinders 2 are provided, and the two electric cylinders 2 are symmetrically arranged on the support plate 12, and clamping assemblies 3 are provided at the inner ends of the telescopic rods 21. Two threaded rods 32 are slidably connected to the slide table 31; Nuts 34 are threadedly connected to both the threaded rod 32 above the slide table 31 and the threaded rod 32 located inside the placement cavity 311; A rubber gasket 35 is bonded to the bottom of the placement cavity 311.

[0026] The working principle of the present invention is:

[0027] In the PCB board etching device for LCD display production, through the cooperation of the electric cylinder 2 and the clamping component 3, PCB boards of various sizes can be clamped, with strong practicability. Rotate the upper and lower nuts 34 of the threaded rod 32 so that the threaded rod 32 can slide along the adjustment groove 312. Start the electric cylinder 2 to make the distance between the two side slides 31 match the width of the PCB board. Then place both ends of the PCB board on the rubber gasket 35 adhered to the bottom of the placement cavity 311. After adjusting the threaded rod 32 to an appropriate position, press the PCB board. Finally, rotate the upper and lower nuts 34 of the threaded rod 32 to fix the threaded rod 32 on the slide 31. At this time, the clamping and fixing of the PCB board are completed, which is beneficial to improving the stability during the PCB board etching process.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A PCB etching device for LCD display production, comprising a frame (1), characterized in that: A mounting block (11) is provided in the middle of the top of the left and right sides of the frame (1), a support plate (12) is provided at the outer bottom end of the mounting block (11), and a slide bar seat (13) is provided at the top corner of the frame (1), and a slide bar (14) is fixedly connected between the slide bar seats (13) on the front and rear sides; The support plate (12) is fixedly connected to an electric cylinder (2), and a clamping assembly (3) for fixing a PCB board is provided on a telescopic rod (21) inside the electric cylinder (2); The clamping assembly (3) comprises a slide (31), a threaded rod (32), a clamping block (33) and a nut (34); a placement cavity (311) is provided on the inner side of the slide (31); an adjustment groove (312) is provided on the top of the placement cavity (311); and sliding holes (313) are provided at both ends of the slide (31); The threaded rod (32) is slidably connected to the adjustment groove (312), and the clamping block (33) is fixed to the bottom of the threaded rod (32).

2. A PCB etching device for LCD display production according to claim 1, characterized in that: The middle parts of the inner walls on both sides of the frame (1) are symmetrically provided with clamping grooves (15), a slag receiving plate (4) is slidably clamped in the clamping grooves (15), and a handle (41) is provided on the outer side of the slag receiving plate (4).

3. A PCB etching device for LCD display production according to claim 2, characterized in that: Two electric cylinders (2) are provided, and the two electric cylinders (2) are symmetrically arranged on the support plate (12), and the inner ends of the telescopic rods (21) are each provided with a clamping assembly (3).

4. A PCB etching device for LCD display production according to claim 1, characterized in that: Two threaded rods (32) are slidably connected to the slide table (31).

5. A PCB etching device for LCD display production according to claim 1, characterized in that: The threaded rod (32) above the slide (31) and the threaded rod (32) located inside the placement cavity (311) are both threadedly connected with a nut (34).

6. A PCB etching device for LCD display production according to claim 5, characterized in that: A rubber gasket (35) is bonded to the bottom of the placement cavity (311).

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