CN218785267U

CN218785267U - PCB overturning and welding workbench

Info

Publication number: CN218785267U
Application number: CN202222940256.3U
Authority: CN
Inventors: 李孟琴
Original assignee: Individual
Current assignee: Changzhou Jianhong Electronic Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-04
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a PCB overturning and welding workbench, which relates to the technical field of PCB welding benches and comprises a main platform, wherein a rack bin is arranged on one side of the top of the main platform, a turnover frame is arranged in the middle of one side of the main platform, a waste groove is arranged at the bottom of the turnover frame, tool drawers are arranged on two sides of the waste groove, a lighting lamp is arranged on the top of the turnover frame, and a control box is arranged at one end of the rack bin; the turnover frame consists of a supporting transverse plate, a PCB clamp and a linking rotating wheel, wherein one end of the PCB clamp is connected to one side of the supporting transverse plate in a sliding manner, and the linking rotating wheel is fixedly arranged on the other side of the supporting transverse plate; the utility model discloses in, during the two-sided welding of PCB, can both be kept at the horizontality by the centre gripping is fixed in arbitrary one side of welding bench welding PCB, the condition of PCB slope can not appear, can avoid the molten tin bar toward other welding departments of low place flow on PCB, avoid causing the PCB to damage.

Description

PCB overturning and welding workbench

Technical Field

The utility model relates to a PCB welding bench technical field specifically says a PCB upset weldment work platform.

Background

The PCB is generally referred to as a printed circuit board, and can be divided into a single-sided board, a double-sided board and other multi-layer circuit boards according to the number of layers of the circuit board. PCB is when the welding, in order to prevent that PCB from sideslipping, all can fix PCB on automatic weld bench operation face, welding PCB that can be better. However, some complicated PCBs need to be soldered manually, and particularly some PCBs whose two sides need to be soldered are required to be soldered after one side of the PCB is soldered, the PCB needs to be turned over and then soldered to the other side.

In actual operation, we find that, after one side of two-sided PCB has been welded, when another side needs to be welded, because PCB surface welding's component height is inconsistent, place PCB turn-over back on the welding bench operation face, PCB can be supported by welded component at the welding bench, is difficult to keep the horizontality, the condition that can incline appears, not only inconvenient PCB centre gripping is fixed, and to a certain extent, the molten tin bar flows to other positions toward low on PCB, causes the PCB to damage easily.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a PCB upset weldment work platform is provided here, during the double-sided welding of PCB, can both be kept at the horizontality by the centre gripping is fixed in arbitrary one side of welding bench welding PCB, the condition of PCB slope can not appear, can avoid other welding departments of molten tin bar toward low flowing on PCB, avoid causing the PCB to damage.

The utility model is realized in such a way, a PCB turnover welding workbench is constructed, which comprises a main platform, a frame bin is arranged on one side of the top of the main platform, a turnover frame is arranged in the middle of one side of the main platform, a waste groove is arranged at the bottom of the turnover frame, tool drawers are arranged on two sides of the waste groove, a lighting lamp is arranged on the top of the turnover frame, and a control box is arranged at one end of the frame bin; as the supplement, it should be noted that common tools are placed through the tool drawer, the PCB is placed through the roll-over stand, the lighting effect is achieved through the lighting lamp, the lighting lamp is connected with an external power supply, the worker mainly clamps the PCB needing to be welded with elements through the roll-over stand, then the power supply of the lighting lamp is connected through the control box, the elements are welded by using electric soldering irons, when the other side of the PCB is required to be welded, the brake motor on the inner side of the main table is controlled to run through the control box, the roll-over stand is driven to turn over through the brake motor, and therefore the PCB is driven to turn over.

Further, the roll-over stand is composed of a supporting transverse plate, a PCB clamp and a linking rotating wheel, one end of the PCB clamp is connected to one side of the supporting transverse plate in a sliding mode, and the linking rotating wheel is fixedly installed on the other side of the supporting transverse plate; as an example, it should be noted that two sets of PCB clamps are provided, and the two sets of PCB clamps clamp the PCB, and one side of the engaging wheel is fixedly connected to the output shaft of the braking motor.

Furthermore, the PCB clamp comprises a main clamp, a fine screw rod, a threaded sleeve ring, a side clamp groove and an elastic rubber pad, wherein the fine screw rod is connected to the top of one end of the main clamp; as an example, it should be noted that the filament rod passes through the top through groove, the inner side of the threaded sleeve ring is provided with an internal thread, and the thread rod is matched with the internal thread, the bottom of the threaded sleeve ring is provided with an elastic gasket, the threaded sleeve ring is rotated to be tightly attached to the outer side of the main clamp, the friction force between the threaded sleeve ring and the main clamp is increased by the elastic gasket, so that the PCB clamp is fixed at a proper position on the inner side of the side sliding groove, when the PCB is clamped by the side clamping groove of the two sets of PCB clamps, the two end edges of the PCB are mutually assisted by the elastic rubber gasket, and the two end edges of the PCB are clamped by the elastic rubber gasket.

Furthermore, a side sliding groove is formed in one side of the supporting transverse plate, and a top through groove is formed in the top of the side sliding groove; as an example, it should be noted that one end of the PCB clip is received by the side slide slot.

Furthermore, the control box is composed of a relay, a single chip microcomputer, a human-computer interaction interface board and an H bridge circuit module, wherein the single chip microcomputer is installed on one side of the human-computer interaction interface board, the relay is installed at the bottom of the single chip microcomputer, and the H bridge circuit module is installed on the other side of the single chip microcomputer; as an example, it should be noted that the relay is electrically connected to the brake motor and serves as a power switch of the brake motor, the single chip microcomputer is electrically connected to the triode circuit and the relay, the relay is controlled to operate by the single chip microcomputer, the single chip microcomputer is electrically connected to the H-bridge circuit module, the H-bridge circuit module is electrically connected to the brake motor, the human-computer interaction interface board is electrically connected to the single chip microcomputer, the single chip microcomputer is of the stc12c5a60s2 series, the AD converter is provided, the brake motor is controlled to rotate forward and backward and rotate at a speed by operating the human-computer interaction interface board and controlling the brake motor to rotate forward and backward and the speed by operating the H-bridge circuit module, the brake of the single chip microcomputer and the brake motor is electrically connected to the servo driver, and the brake motor is controlled to lock by operating the human-computer interaction interface board and controlling the brake motor by using the single chip microcomputer.

Furthermore, a plug board is arranged on the side wall of the inner side of the rack bin, and an electric soldering iron is placed on the inner side of the rack bin; as an example, it should be noted that the plug board is connected to an external power source, and a power plug of an electric soldering iron is plugged into the plug board to be powered on.

Furthermore, a mounting bin is arranged at one side of the main platform close to the middle, and a brake motor is arranged on the inner side of the mounting bin;

as an example, it should be noted that the brake motor is a servo motor.

The beneficial effects of the utility model can embody after the concrete analysis: the screw thread lantern ring that presss from both sides two sets of PCBs is unscrewed, slides two sets of PCBs and presss from both sides to the support diaphragm and be close to the suitable position in middle part, then slides PCB into the side clamp inslot side that two sets of PCBs pressed from both sides again, and the PCB bottom can not contact the main platform, and two sets of PCB clamps that slide in opposite directions again draw close together each other, further finely tune two sets of PCB clamps, then screw up the screw thread lantern ring that two sets of PCB pressed from both sides, press from both sides two sets of PCBs spacing fixedly. When another side needs to be welded on the PCB, the operation human-computer interaction interface panel is connected with a power supply of the brake motor by virtue of the relay, the operation human-computer interaction interface panel controls the brake motor to operate by virtue of the single chip microcomputer through the H-bridge circuit module, the linking rotating wheel and the whole overturning frame are driven to overturn by virtue of the operation of the brake motor, so that the PCB is driven to overturn until the other side of the PCB faces upwards horizontally, and then the operation human-computer interaction interface panel controls the brake motor to be locked by virtue of the single chip microcomputer. Because PCB is fixed by two sets of PCB clamp centre grippings, its bottom is the waste material recess, so PCB is in the fixed while of centre gripping that can be convenient, and its bottom welded component also can not support PCB, and PCB can both be kept at the horizontality by the centre gripping is fixed when the arbitrary one side of welding bench welding, the condition of PCB slope can not appear, can avoid other welding departments of molten tin bar toward low flowing on PCB, avoids causing the PCB to damage.

Drawings

FIG. 1 is a schematic structural view of a PCB turnover welding workbench of the present invention;

FIG. 2 is a schematic structural view of the roll-over stand of the present invention;

FIG. 3 is an enlarged view of a portion of the side clamping slot of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the control box of the present invention;

fig. 5 is a schematic view of the structure of the installation bin of the present invention.

The reference numerals of the device are that a main table 1, a rack bin 2, a turnover frame 3, an illuminating lamp 4, a control box 5, a waste groove 6, a tool drawer 7, an electric soldering iron 21, an inserting plate 22, a placing bin 11, a brake motor 12, a supporting transverse plate 31, a PCB clamp 32, a connecting rotating wheel 33, a top through groove 311, a side sliding groove 312, a main clamp 321, a thin wire rod 322, a threaded lantern ring 323, a side clamping groove 324, an elastic rubber pad 325, a relay 51, a single chip microcomputer 52, a man-machine interaction interface board 53 and an H-bridge circuit module 54.

. Detailed Description

The present invention will now be described in detail with reference to the drawings attached hereto, wherein like or similar reference numerals designate like or similar elements or elements having like or similar functions throughout; based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it will be appreciated that references to ordinal and orientational descriptions such as "first", "second", "third", "upper, lower, left, right", etc., are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless explicitly specified or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an electrical connection; either directly or indirectly through intervening media, and are not to be construed as limiting the invention.

The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments.

Example (b): the application provides a PCB upset weldment work platform, combine fig. 1-3, the staff unscrews the screw thread lantern ring 323 of a set of PCB clamp 32 earlier, then block the PCB that needs the welding into the inboard of the side clamp groove 324 of another set of PCB clamp 32, then slide the PCB clamp 32 who has twisted screw thread lantern ring 323, it is nested at the PCB other end until its side clamp groove 324, then screw up the screw thread lantern ring 323 that just begins to unscrew, the PCB is centre gripping fixed this moment, and in the same way, also can unscrew the screw thread lantern ring 323 of two sets of PCB clamps 32, according to PCB length size, slide two sets of PCB clamps 32 to the support diaphragm 31 and be close to the suitable position in middle part, then slide the PCB into the inboard of the side clamp groove 324 of two sets of PCB clamps 32 again, two sets of PCB clamps 32 that slide each other in opposite directions draw close together, further finely tune two sets of PCB clamps 32, then screw up the screw thread lantern ring 323 of two sets of PCB clamps 32, it is fixed to limit PCB clamps 32, switch on 4 external power supplies again, then insert 22 with the plug of electric iron 21, take out the drawer and two sets of tin bar components that need weld in tool 7.

With reference to fig. 1 and fig. 4-5, when another PCB is to be welded, a worker operates the human-computer interaction interface panel 53 to switch on the power supply of the brake motor 12 by means of the relay 51, then operates the human-computer interaction interface panel 53 to control the operation of the brake motor 12 by means of the single chip microcomputer 52 through the H-bridge circuit module 54, drives the linking rotating wheel 33 and the whole roll-over stand 3 to turn over by the operation of the brake motor 12 until the other side of the PCB faces upward horizontally, then operates the human-computer interaction interface panel 53 to control the locking of the brake motor 12 by means of the single chip microcomputer 52, and then the PCB can be continuously welded.

In conclusion; PCB upset weldment work platform, during PCB double-sided welding, can both be kept at the horizontality by the centre gripping is fixed in the arbitrary one side of welding bench welding PCB, the condition of PCB slope can not appear, can avoid the molten tin bar toward other welding departments of low flowing on PCB, avoid causing the PCB to damage.

The above description is only an embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described too much herein; it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent; the scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a PCB upset weldment work platform, includes main station (1), its characterized in that: a rack bin (2) is arranged on one side of the top of a main platform (1), a turnover frame (3) is arranged in the middle of one side of the main platform (1), a waste groove (6) is arranged at the bottom of the turnover frame (3), tool drawers (7) are arranged on two sides of the waste groove (6), a lighting lamp (4) is arranged on the top of the turnover frame (3), and a control box (5) is arranged at one end of the rack bin (2).

2. The PCB flip welding bench of claim 1, wherein: roll-over stand (3) comprise support diaphragm (31), PCB clamp (32) and linking runner (33), PCB clamp (32) one end sliding connection in support diaphragm (31) one side, linking runner (33) fixed mounting is in support diaphragm (31) opposite side.

3. A PCB rollover welding bench as set forth in claim 2, wherein: PCB presss from both sides (32) and comprises main clamp (321), thin silk pole (322), screw thread lantern ring (323), side clamp groove (324) and elastic rubber pad (325), thin silk pole (322) connect in main clamp (321) one end top, screw thread lantern ring (323) nestification is in thin silk pole (322) outside, side clamp groove (324) are seted up in main clamp (321) one side, elastic rubber pad (325) are installed in side clamp groove (324) inboard.

4. A PCB rollover welding bench as set forth in claim 2, wherein: a side sliding groove (312) is formed in one side of the supporting transverse plate (31), and a top through groove (311) is formed in the top of the side sliding groove (312).

5. The PCB flip welding bench of claim 1, wherein: the control box (5) is composed of a relay (51), a single chip microcomputer (52), a man-machine interaction interface panel (53) and an H-bridge circuit module (54), the single chip microcomputer (52) is installed on one side of the man-machine interaction interface panel (53), the relay (51) is installed at the bottom of the single chip microcomputer (52), and the H-bridge circuit module (54) is installed on the other side of the single chip microcomputer (52).

6. The PCB flip welding bench of claim 1, wherein: the side wall of the inner side of the rack bin (2) is provided with a plugboard (22), and the inner side of the rack bin (2) is provided with an electric soldering iron (21).

7. The PCB flip welding bench of claim 1, wherein: a mounting bin (11) is arranged at one side of the main platform (1) close to the middle, and a brake motor (12) is installed on the inner side of the mounting bin (11).