PCB (printed circuit board) dispensing machine

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) dispensing machines, in particular to a PCB dispensing machine which comprises a shell, a dispensing gun is arranged at the top of the inner wall of the shell through a first driving piece, a bearing plate is arranged on a table top through a second driving piece, and a clamping assembly for fixing a PCB is arranged on the bearing plate; wherein the clamping assembly comprises sliding seats, a synchronous part is further arranged at the bottom of the bearing plate, the synchronous part is used for driving the sliding seats on the two adjacent sides to synchronously move so that the PCBs can be conveniently placed, clamping seats are arranged, the clamping seats on the four sides are matched with springs so that the PCBs can be clamped and fixed, the PCBs with different areas can be clamped within a certain range, and the clamping efficiency can be improved. The situation that the position of the PCB deviates during glue dispensing or conveying can be prevented, glue dispensing accuracy is effectively ensured, the two clamping bases on one side are driven to move at the same time through the synchronous part, the clamping space is conveniently vacated for containing the PCB, the structure is simple, operation is easy and convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing and production, in particular to a PCB board glue dispensing machine. Background Art

[0002] PCB board dispensing machine is a special equipment used to accurately dispense glue on printed circuit boards (PCBs), and then fix chips, electronic components, etc. on the PCB (printed circuit board) to prevent components from falling off during transportation or use, and also protect components from the influence of the external environment (such as moisture, dust).

[0003] In order to improve the stability of the PCB board, it is necessary to use a PCB board dispensing machine to coat the circuit board with glue. For example, the prior art Chinese patent announcement number "CN221157454U" discloses a PCB board production dispensing machine, including a fixed platform; a dispensing device is provided on the top of the fixed platform; a PCB board conveying device is rotatably connected to the top of the fixed platform; a first fixed plate is provided on the top of the fixed platform; a heating device is fixedly connected to the top of the first fixed plate; a heating rod is fixedly connected to the bottom of the heating device; the heating rod is arranged at the bottom of the first fixed plate; the heating rod is arranged above the PCB board conveying device; when working, the PCB board after the dispensing is completed moves toward the heating rod through the PCB board conveying device, the heating device is started, the heating device heats the heating rod, and the heating rod solidifies the colloid on the surface of the PCB board passing through the bottom of the heating rod; the overall device reduces the existing curing equipment, which often uses wind power to cure the colloid, which will cause the colloid to move; the overall device improves the stability of the colloid during curing.

[0004] However, in actual operation, due to the lack of fixing measures for the circuit board, it is easy for the position to shift during the dispensing process or the transportation process, which will lead to the dispensing position being misplaced or the components being covered, affecting the normal use of the circuit board thereafter. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that the above-mentioned circuit board lacks fixing measures and easily leads to poor glue dispensing, and proposes a PCB board glue dispensing machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A PCB board glue dispensing machine is designed, comprising a shell, a glue dispensing gun is arranged on the top of the inner wall of the shell through a first driving member, and a receiving plate is arranged on the table through a second driving member, and a clamping assembly for fixing the PCB board is arranged on the receiving plate;

[0008] Wherein, the clamping assembly includes a slide seat, and a synchronization member is also provided at the bottom of the receiving plate, and the synchronization member is used to drive the slide seats on adjacent two sides to move synchronously, so as to facilitate the placement of the PCB board.

[0009] Furthermore, the receiving plate is of a rectangular structure and is provided with an oblique groove at a corner, one end of the oblique groove extends along the corner toward the center point of the receiving plate, and the axes of the oblique grooves on four sides intersect to form an X-shaped structure.

[0010] Furthermore, the clamping assembly also includes a slide rod, which is fixed in the inclined groove, and one end of which is slidably connected to the slide seat and is sleeved with a spring, and both ends of the spring are in contact with the inclined groove and the side surface of the slide seat.

[0011] Furthermore, a clamping seat is provided on the top of the slide seat, and the clamping seat is recessed on one side facing the center point of the receiving plate to form a card slot. The card slot is an arc-shaped structure that matches the corner of the PCB board, and a flexible pad is provided on the inner wall.

[0012] Furthermore, the synchronizing member includes a base plate, a guide portion is provided at the bottom of the slide seat, the base plate is slidably connected to the bottom of the receiving plate through a slide rail, and straight grooves are vertically provided on both sides of its end surface, a pair of the straight grooves are correspondingly arranged and slidably connected to the guide portion.

[0013] Furthermore, a through groove is provided on the side surface of the bottom plate, and a plurality of arc-shaped rubber protrusions are provided on the inner side surface of the through groove.

[0014] The utility model proposes a PCB board dispensing machine, which has the beneficial effect that: the utility model is provided with clamping seats at the corners of the rectangular receiving plate, and the clamping seats on the four sides cooperate with springs to clamp and fix the PCB board, which can not only clamp PCB boards of different areas within a certain range, but also prevent the PCB board from positional displacement during dispensing or transportation, effectively ensuring the accuracy of dispensing, and the two clamping seats on one side are driven to move at the same time by the synchronization parts, so as to make room for clamping space to place the PCB board, and the utility model has a simple structure, easy operation and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a structural schematic diagram of the receiving plate of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model;

[0018] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of area A;

[0019] Figure 5 It is an enlarged structural diagram of the synchronous component of the utility model.

[0020] In the figure: 1, housing; 2, first driving member; 3, glue gun; 4, second driving member; 5, receiving plate; 51, inclined groove; 6, clamping assembly; 61, slide seat; 611, guide part; 62, slide rod; 63, spring; 64, clamp seat; 641, slot; 7, synchronization member; 71, bottom plate; 72, straight groove; 73, through groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-5 A PCB board glue dispensing machine comprises a housing 1, a glue gun 3 is arranged on the top of the inner wall of the housing 1 through a first driving member 2, and a receiving plate 5 is arranged on the table through a second driving member 4, and a clamping component 6 for fixing the PCB board is arranged on the receiving plate 5;

[0023] The clamping assembly 6 includes a slide 61 , and a synchronizing member 7 is further provided at the bottom of the receiving plate 5 . The synchronizing member 7 is used to drive the slides 61 on the adjacent two sides to move synchronously, so as to facilitate the placement of the PCB board.

[0024] It should be added that a curing device is also provided next to the housing 1, and a conveying device is connected between the curing device and the housing 1; an operating arm is also fixed in the housing 1, and a suction cup or an electric clamp is provided at the output end of the operating arm to transfer the glue-dispensed circuit board to the conveying device, and then solidify the glue through the curing device;

[0025] Specifically, the first driving member 2 includes a support frame fixed on the table of the housing 1, a cylinder is fixed on the top of the support frame and a fixing frame is slidable laterally, the side of the fixing frame is fixedly connected to the cylinder shaft end, and the side of the fixing frame is slidably connected to the dispensing gun 3, and an electric push rod for driving the dispensing gun 3 to move is fixed on the fixing frame;

[0026] In addition, the second driving member 4 includes a motor and a screw rod, the receiving plate 5 slides longitudinally on the table top of the shell 1 through a slide rail, the motor is fixed on the table top, and the screw rod is fixedly connected to the shaft end thereof, the bottom surface of the receiving plate 5 is threadedly connected to the screw rod through a fixing seat, and the opening end of the shell 1 is hingedly rotated with a sealing cover door.

[0027] Furthermore, the receiving plate 5 is of a rectangular structure, and is provided with an inclined groove 51 at a corner, one end of the inclined groove 51 extends along the corner toward the center point of the receiving plate 5, and the axes of the four sides of the inclined groove 51 intersect to form an X-shaped structure.

[0028] Furthermore, the clamping assembly 6 also includes a slide rod 62, which is fixed in the inclined groove 51, and one end of which is slidably connected to the slide seat 61 and is sleeved with a spring 63, and both ends of the spring 63 are in contact with the inclined groove 51 and the side of the slide seat 61.

[0029] In more detail, a clamp seat 64 is provided on the top of the slide seat 61, and the clamp seat 64 is recessed on one side facing the center point of the receiving plate 5 to form a card slot 641. The card slot 641 is an arc-shaped structure that matches the corner of the PCB board, and a flexible pad is provided on the inner wall.

[0030] In specific operation, the clamping seats 64 on the four sides slide along the inclined slots 51 on the slide bar 62 and clamp the corners of the circuit board under the elastic support of the springs 63;

[0031] The clamping slot 641 is in an arc-shaped structure and is provided with a flexible belt to protect the clamping portion of the circuit board.

[0032] In general, the synchronizer 7 includes a base plate 71, a guide portion 611 is provided at the bottom of the slide seat 61, the base plate 71 is slidably connected to the bottom of the receiving plate 5 through a slide rail, and straight grooves 72 are vertically provided on both sides of its end surface, a pair of the straight grooves 72 are correspondingly arranged and slidably connected to the guide portion 611.

[0033] Finally, a through groove 73 is formed on the side of the bottom plate 71 , and a plurality of arc-shaped rubber protrusions are formed on the inner side of the through groove 73 .

[0034] Specifically, when the receiving plate 5 moves to the open end of the housing 1, the bottom plate 71 is pulled through the through slot 73, and the bottom plate 71 drives the guide portion 611 to drive the slide seat 61 to move through the straight slot 72 while moving;

[0035] The slide seat 61 is guided by the inclined groove 51 while sliding, so that the distance between the slide seats 61 on both sides is gradually increased, thereby freeing up clamping space for clamping the circuit board.

[0036] Working mode: When working, pull the bottom plates 71 on both sides, and the bottom plates 71 move while driving the guide part 611 through the straight groove 72 to drive the slide 61 to move. When the clamping space between the four-side clamping seats 64 is sufficient, the circuit board is set in the clamping groove 641, loosen the bottom plate 71, and the clamping seat 64 clamps the circuit board under the elastic support of the spring 63;

[0037] The second driving member 4 drives the receiving plate 5 to move to the bottom of the glue dispensing gun 3 to perform glue dispensing operation;

[0038] After the circuit board is glued, it is transferred to the conveying device through the operating arm and finally dried by the curing device.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PCB dispensing machine, comprising a housing (1), characterized in that: A glue gun (3) is arranged on the top of the inner wall of the housing (1) via a first driving member (2), and a receiving plate (5) is arranged on the table top via a second driving member (4), wherein a clamping assembly (6) for fixing a PCB board is arranged on the receiving plate (5); The clamping assembly (6) comprises a slide seat (61), and a synchronizing member (7) is further provided at the bottom of the receiving plate (5), wherein the synchronizing member (7) is used to drive the slide seats (61) on the adjacent two sides to move synchronously, so as to facilitate the placement of the PCB board.

2. A PCB board dispensing machine according to claim 1, characterized in that: The receiving plate (5) is of rectangular structure and is provided with an inclined groove (51) at a corner. One end of the inclined groove (51) extends along the corner toward the center point of the receiving plate (5), and the axes of the four sides of the inclined groove (51) intersect to form an X-shaped structure.

3. A PCB board dispensing machine according to claim 2, characterized in that: The clamping assembly (6) further comprises a slide rod (62), which is fixed in the inclined groove (51), one end of which is slidably connected to the slide seat (61) and is sleeved with a spring (63), and both ends of the spring (63) are in contact with the side surfaces of the inclined groove (51) and the slide seat (61).

4. A PCB board dispensing machine according to claim 3, characterized in that: A clamping seat (64) is arranged on the top of the sliding seat (61), and the clamping seat (64) is recessed on one side facing the center point of the receiving plate (5) to form a card slot (641). The card slot (641) is an arc-shaped structure that matches the corner of the PCB board, and a flexible pad is arranged on the inner wall.

5. A PCB board dispensing machine according to claim 3, characterized in that: The synchronous member (7) comprises a bottom plate (71), a guide portion (611) is provided at the bottom of the slide seat (61), the bottom plate (71) is slidably connected to the bottom of the receiving plate (5) via a slide rail, and straight grooves (72) are vertically provided on both sides of the end surface thereof, a pair of the straight grooves (72) are correspondingly arranged and slidably connected to the guide portion (611).

6. A PCB board dispensing machine according to claim 5, characterized in that: A through groove (73) is also provided on the side surface of the bottom plate (71), and a plurality of arc-shaped rubber protrusions are provided on the inner side surface of the through groove (73).

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