PCB etching device for LCD display screen production
Technical Field
The utility model relates to the technical field of PCB processing, in particular to a PCB etching device for LCD display screen production.
Background
PCB, also called printed circuit board, is important electronic component, is the supporter of electronic component, is the carrier of electronic component electrical connection, and the PCB board needs to carry out etching treatment when the board is made, and chinese patent discloses a PCB board etching device (grant bulletin number CN 218450755U), this patent technology can be through being equipped with clamping assembly, be convenient for carry out the centre gripping to the PCB board fixedly through clamping assembly's effect, then through being equipped with flexible cylinder, clamping assembly links to each other with flexible cylinder, can promote clamping assembly through flexible cylinder's effect and control the removal for distance between two clamping assembly can be adjusted, is convenient for carry out the centre gripping fixed to the PCB board of different width after the regulation, but the device can't centre gripping size less PCB board, influences the stability of PCB board etching, the practicality is lower. Accordingly, a PCB etching apparatus for LCD display production is provided by those skilled in the art to solve the above-mentioned problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a PCB etching device for LCD display screen production, which comprises a frame, wherein a mounting block is arranged in the middle of the tops of the left side and the right side of the frame, a support plate is arranged at the bottom end of the outer side of the mounting block, sliding rod seats are arranged at the corners of the top of the frame, and sliding rods are fixedly connected between the sliding rod seats on the front side and the rear side;
An electric cylinder is fixedly connected to the supporting plate, and a clamping assembly for fixing the PCB is arranged on the telescopic rod at the inner side of the electric cylinder;
The clamping assembly comprises a sliding table, a threaded rod, a clamping block and a nut, a placing cavity is formed in the inner side of the sliding table, an adjusting groove is formed in the top of the placing cavity, and sliding holes are formed in two ends of the sliding table;
The threaded rod is in sliding connection with the adjusting groove, and the clamping block is fixed to the bottom of the threaded rod.
Preferably, clamping grooves are symmetrically formed in the middle of the inner walls of the two sides of the stand, slag receiving plates are slidably clamped in the clamping grooves, and handles are arranged on the outer sides of the slag receiving plates.
Preferably, two electric cylinders are symmetrically arranged on the supporting plate, and clamping assemblies are arranged at the inner ends of the telescopic rods.
Preferably, the sliding table is connected with two threaded rods in a sliding way.
Preferably, the threaded rod above the sliding table and the threaded rod positioned in the placing cavity are both in threaded connection with nuts.
Preferably, the bottom of the placing cavity is adhered with a rubber gasket.
The utility model has the technical effects and advantages that:
According to the utility model, through arranging the electric cylinder and the clamping assembly, the PCB with various sizes can be clamped, the practicability is high, the upper nut and the lower nut of the threaded rod are rotated, so that the threaded rod can slide along the adjusting groove, the electric cylinder is started, the distance between the sliding tables on two sides is matched with the width of the PCB, two ends of the PCB are placed on the rubber gaskets adhered to the bottoms of the placing cavities, the threaded rod is pressed tightly after being adjusted to a proper position, and finally the upper nut and the lower nut of the threaded rod are rotated, so that the threaded rod is fixed on the sliding tables, and at the moment, the clamping and fixing of the PCB are completed, thereby being beneficial to improving the stability of the PCB in the etching process.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a PCB etching apparatus for producing an LCD display according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A, provided by an embodiment of the present application;
fig. 3 is a schematic diagram showing a three-dimensional structure of a PCB etching apparatus for producing an LCD display according to an embodiment of the present application;
Fig. 4 is a schematic diagram of a frame structure of a PCB etching device for producing an LCD display according to an embodiment of the present application;
Fig. 5 is a schematic structural diagram of a clamping assembly in a PCB etching device for producing an LCD display screen according to an embodiment of the present application;
fig. 6 is a partial enlarged view at B in fig. 5 provided by an embodiment of the present application.
In the figure:
1. The device comprises a frame, 11, an installation block, 12, a supporting plate, 13, a slide bar seat, 14, a slide bar, 15, a clamping groove, 2, an electric cylinder, 21, a telescopic rod, 3, a clamping assembly, 31, a sliding table, 311, a placing cavity, 312, an adjusting groove, 313, a sliding hole, 32, a threaded rod, 33, a clamping block, 34, a nut, 35, a rubber gasket, 4, a slag receiving plate and 41, and a handle.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1-6, in this embodiment, a PCB etching device for producing an LCD display screen is provided, which includes a frame 1, a mounting block 11 is disposed in the middle of the top of the left and right sides of the frame 1, a support plate 12 is disposed at the bottom of the outer side of the mounting block 11, a slide bar seat 13 is disposed at the corner of the top 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 with an electric cylinder 2, a clamping assembly 3 for fixing a PCB is arranged on a telescopic rod 21 at the inner side of the electric cylinder 2, the clamping assembly 3 comprises a sliding table 31, a threaded rod 32, a clamping block 33 and a nut 34, a placing cavity 311 is formed in the inner side of the sliding table 31, an adjusting groove 312 is formed in the top of the placing cavity 311, sliding holes 313 are formed in two ends of the sliding table 31, the threaded rod 32 is in sliding connection with the adjusting groove 312, and the clamping block 33 is fixed at the bottom of the threaded rod 32.
Specifically, clamping grooves 15 are symmetrically formed in the middle of the inner walls of two sides of the frame 1, slag connecting plates 4 are slidably clamped in the clamping grooves 15, handles 41 are arranged on the outer sides of the slag connecting plates 4, two electric cylinders 2 are symmetrically arranged on the supporting plate 12, clamping assemblies 3 are arranged at the inner ends of the telescopic rods 21, two threaded rods 32 are slidably connected to the sliding table 31, nuts 34 are threadedly connected to the threaded rods 32 above the sliding table 31 and the threaded rods 32 located in the placing cavity 311, and rubber gaskets 35 are adhered to the bottoms of the placing cavities 311.
The working principle of the utility model is as follows:
In this PCB board etching device for LCD display screen production, through the cooperation of electronic jar 2 and clamping assembly 3, can carry out the centre gripping to the PCB board of various sizes, the practicality is stronger, rotate threaded rod 32 upper and lower two nuts 34, make threaded rod 32 in can slide along adjustment groove 312, start electronic jar 2, make the distance between the slip table 31 of both sides and the adaptation of PCB board width, place the PCB board both ends again on placing cavity 311 bottom bonding has rubber gasket 35, compress tightly the PCB board after adjusting threaded rod 32 to the suitable position again, rotate threaded rod 32 upper and lower two nuts 34 at last, make threaded rod 32 fix on slip table 31, accomplish the centre gripping of PCB board at this moment fixedly, be favorable to improving the stability of PCB board etching in-process.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.