CN220156750U

CN220156750U - PCB positioning mechanism of chip mounter

Info

Publication number: CN220156750U
Application number: CN202321641802.1U
Authority: CN
Inventors: 胡楷
Original assignee: Chongqing Peiming Photoelectric Technology Co ltd
Current assignee: Chongqing Peiming Photoelectric Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-08
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a PCB positioning mechanism of a chip mounter, which aims to solve the problems that the positioning mechanism in the prior art adopts a clamping mode in a compression mode, but the component structure of the positioning mechanism is fixed, the positioning mechanism is only suitable for a PCB of one type, when the specifications of the PCB are inconsistent, the PCB needs to be replaced to a chip mounter of other types for chip mounting, and the application range is low. The device comprises a supporting assembly and a clamping assembly, wherein the supporting assembly comprises two groups of supporting tables which are symmetrically distributed and a drying plate which is fixedly arranged between the supporting tables, the upper surfaces of the two groups of supporting tables are provided with moving grooves, and a plurality of groups of fans are distributed on the drying plate in an array manner; the clamping assembly is arranged above the supporting assembly in a sliding mode and comprises a pressing plate, a driving box, a supporting plate and a conveying belt. The PCB positioning mechanism of the chip mounter benefits from the cooperation of the supporting component and the clamping component, so that the PCB can be moved or fixed, and the distance can be adjusted according to the specification of the PCB.

Description

PCB positioning mechanism of chip mounter

Technical Field

The utility model belongs to a PCB positioning mechanism of a chip mounter, and particularly relates to a PCB positioning mechanism of a chip mounter.

Background

The surface mounting device is used for realizing high-speed and high-precision mounting of the surface mounting device, the surface mounting device is accurately placed on a PCB bonding pad by moving a mounting head after the surface mounting device is arranged on a dispensing machine or a screen printer, a positioning mechanism is needed to be used for fixing a moving PCB in the process of mounting, the mounting head can accurately move the device to a corresponding position, the existing positioning mechanism adopts a clamping mode in a pressing mode, but the existing positioning mechanism is fixed in a composition structure and can only be applicable to a PCB of one type, when the specifications of the PCB are inconsistent, the PCB needs to be replaced on the surface mounting device of other types for mounting, and the application range is low.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a PCB positioning mechanism of a chip mounter, which aims to solve the problems that the positioning mechanism of the prior art adopts a clamping mode of compression, but the composition structure of the positioning mechanism is fixed, the positioning mechanism can only be applicable to a type of PCB, and when the specifications of the PCB are inconsistent, the PCB needs to be replaced to other types of chip mounters for mounting, so that the application range is low.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a PCB positioning mechanism of a chip mounter, which comprises a supporting component and a clamping component, wherein the supporting component comprises two groups of supporting tables which are symmetrically distributed and a drying plate which is fixedly arranged between the supporting tables, the upper surfaces of the two groups of supporting tables are provided with moving grooves, and a plurality of groups of fans are distributed on the drying plate in an array manner; the clamping assembly is arranged above the supporting assembly in a sliding manner, the clamping assembly comprises a pressing plate, a driving box, a supporting plate and a conveying belt, the supporting plate is arranged in an L shape, the driving box is positioned in the supporting plate, the pressing plate is movably arranged on the front end face of the supporting plate, and the conveying belt is arranged below the pressing plate; the electric telescopic rods and the guide posts are arranged in the driving box, the electric telescopic rods are symmetrically distributed on two sides of the guide posts, sliding sleeves are arranged on the outer walls of the guide posts, and the sliding parts are respectively connected with the two groups of electric telescopic rods. Thanks to the cooperation of the supporting component and the clamping component, the PCB can be moved or fixed, and the distance can be adjusted according to the specification of the PCB.

Preferably, a driving screw rod is horizontally embedded in the moving groove, the driving screw rod is rotatably installed, a first motor is fixedly installed on the side wall of the supporting table, and the first motor is connected with the driving screw rod.

Preferably, an electric heating wire is further arranged in the drying plate, and the fan blows heat generated by the electric heating wire towards the clamping assembly. Owing to the arrangement of the drying plate, the surface mount device and the PCB can be subjected to hot air blowing, drying is accelerated, compactness is improved, and the whole structure is tightly matched.

Preferably, the inside of drive case is equipped with the second motor, the second motor is at the inside both sides limit symmetrical arrangement of drive case, the second motor is connected with the commentaries on classics roller that the inside cover of conveyer belt was established.

Preferably, the lifting groove is vertically formed in the supporting plate, the lifting block penetrates through the lifting groove in a sliding mode, the lifting block is fixedly connected with the end portion of the pressing plate, and one end, far away from the pressing plate, of the lifting block is fixedly connected with the sliding piece.

Preferably, the bottom of the driving box is provided with a moving block in a protruding mode, and a threaded hole is formed in the moving block in a penetrating mode.

Preferably, the moving block corresponds to the moving groove, penetrates into the moving groove and is in threaded connection with the driving screw rod, and the moving block horizontally slides along the moving groove. Due to the arrangement of the moving blocks and the moving grooves, the supporting plates can move relatively on the supporting table, so that the distance between the supporting plates is reduced or increased, and the supporting plates are suitable for PCB plates of different specifications.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the utility model benefits from the cooperation of the supporting component and the clamping component, not only can move or fix the PCB, but also can adjust the distance according to the specification of the PCB, the two groups of supporting plates can be relatively close, the distance between channels for the transmission of the PCB is reduced, the positioning mechanism is selected according to the specification of the PCB, the operation is convenient and fast, the application range of the positioning mechanism is effectively improved, and the patch device and the PCB can be blown with hot air through the arrangement of the drying plate, so that the drying is accelerated, the compactness is improved, the integral structure is tightly matched, the principle is simple and easy to realize, and the positioning mechanism can be widely popularized.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a support assembly;

FIG. 3 is a schematic view of a clamping assembly;

fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

The marks in the drawings are: 1. a support assembly; 2. clamping the assembly; 3. a support table; 4. a first motor; 5. driving a screw rod; 6. a fan; 7. a drying plate; 8. a moving groove; 9. a second motor; 10. a compacting plate; 11. a support plate; 12. a lifting groove; 13. a lifting block; 14. a moving block; 15. a conveyor belt; 16. a drive box; 17. an electric telescopic rod; 18. a slider.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment is a PCB positioning mechanism of a chip mounter, the structure of which is shown in fig. 1, the PCB positioning mechanism comprises a support assembly 1 and a clamping assembly 2, the support assembly 1 comprises two groups of support tables 3 which are symmetrically distributed, and a drying plate 7 which is fixedly arranged between the support tables 3, the upper surfaces of the two groups of support tables 3 are provided with movable grooves 8, and a plurality of groups of fans 6 are distributed on the drying plate 7 in an array manner.

Referring to fig. 2, a driving screw 5 is horizontally embedded in the moving groove 8, the driving screw 5 is rotatably installed, a first motor 4 is fixedly installed on the side wall of the supporting table 3, and the first motor 4 is connected with the driving screw 5. The drying plate 7 is also internally provided with an electric heating wire, and the fan 6 blows heat generated by the electric heating wire towards the clamping assembly 2. The moving block 14 corresponds to the moving groove 8, the moving block 14 penetrates into the moving groove 8 and is in threaded connection with the driving screw rod 5, and the moving block 14 horizontally slides along the moving groove 8.

Referring to fig. 3, a second motor 9 is disposed inside the driving box 16, the second motor 9 is symmetrically disposed at two sides of the inside of the driving box 16, and the second motor 9 is connected with a roller sleeved inside the conveyor belt 15. The supporting plate 11 is vertically provided with a lifting groove 12, a lifting block 13 is arranged in the lifting groove 12 in a sliding mode, the lifting block 13 is fixedly connected with the end portion of the compacting plate 10, and one end, away from the compacting plate 10, of the lifting block 13 is fixedly connected with a sliding piece 18. The bottom of the driving box 16 is provided with a moving block 14 in a protruding mode, and a threaded hole is formed in the moving block 14 in a penetrating mode. With the activation of the second motor 9, the conveyor belt 15 has a driving force to convey the PCB board.

Referring to fig. 3 and 4, the clamping assembly 2 is slidably disposed above the support assembly 1, the clamping assembly 2 includes a compacting plate 10, a driving box 16, a support plate 11 and a conveyor belt 15, the support plate 11 is in an L-shaped arrangement, the driving box 16 is located inside the support plate 11, the compacting plate 10 is movably disposed on a front end surface of the support plate 11, and the conveyor belt 15 is disposed below the compacting plate 10. The electric telescopic rods 17 and the guide posts are arranged in the driving box 16, the electric telescopic rods 17 are symmetrically distributed on two sides of the guide posts, sliding pieces 18 are sleeved on the outer walls of the guide posts in a sliding mode, and the sliding pieces 18 are respectively connected with the two groups of electric telescopic rods 17. The electric telescopic rod 17 works and starts to shrink, the electric telescopic rod 17 stretches out to drive the sliding part 18 to slide along the guide post, the sliding part 18 drives the pressing plate 10 to move through the lifting block 13, and the pressing plate 10 moves downwards under force towards the transmission belt to approach to clamp the PCB on the transmission belt 15, so that the positioning of the PCB is completed.

Working principle: when the automatic surface mounting machine is used, firstly, the supporting component 1 and the clamping component 2 are installed on the surface mounting machine, the PCB transmitted by other working procedures is received, the two ends of the PCB are supported by the conveyor belt 15 on the supporting plate 11, the conveyor belt 15 has driving force to convey the PCB along with the starting of the second motor 9, after the PCB is conveyed to the working position of the surface mounting mechanism of the surface mounting machine, the second motor 9 stops working, at the moment, the electric telescopic rod 17 starts to shrink, the electric telescopic rod 17 stretches out to drive the sliding piece 18 to slide along the guide post, the sliding piece 18 drives the pressing plate 10 to move through the lifting block 13, the pressing plate 10 moves downwards towards the conveyor belt to clamp the PCB on the conveyor belt 15 under the force of the driving belt, the surface mounting work can be carried out at the moment, and in the surface mounting process, the fan 6 is started to blow out the heat generated by the heating wire in the drying plate 7, the surface mounting device and the PCB are blown by hot air, the drying is accelerated, and the compactness is improved;

because the setting of supporting component 1, clamping component 2's interval can be adjusted, selects according to the specification of PCB board, and first motor 4 starts, drives drive lead screw 5 and rotates, and the screw thread of drive lead screw 5 outer wall is relative setting, and then two sets of movable blocks 14 atress in the movable tank 8 are corresponding, drive backup pad 11 and are close to relatively, and the passageway interval that supplies the PCB board to convey becomes small this moment, and the PCB board can pass through.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The PCB positioning mechanism of the chip mounter comprises a supporting component (1) and a clamping component (2), and is characterized in that the supporting component (1) comprises two groups of supporting tables (3) which are symmetrically distributed and a drying plate (7) which is fixedly arranged between the supporting tables (3), wherein the upper surfaces of the two groups of supporting tables (3) are provided with moving grooves (8), and a plurality of groups of fans (6) are distributed on the drying plate (7) in an array manner;

the clamping assembly (2) is arranged above the supporting assembly (1) in a sliding mode, the clamping assembly (2) comprises a pressing plate (10), a driving box (16), a supporting plate (11) and a conveying belt (15), the supporting plate (11) is arranged in an L shape, the driving box (16) is located in the supporting plate (11), the pressing plate (10) is movably arranged on the front end face of the supporting plate (11), and the conveying belt (15) is arranged below the pressing plate (10);

the electric telescopic device is characterized in that an electric telescopic rod (17) and a guide column are arranged in the driving box (16), the electric telescopic rod (17) is symmetrically distributed on two sides of the guide column, a sliding piece (18) is sleeved on the outer wall of the guide column in a sliding mode, and the sliding piece (18) is connected with the two groups of electric telescopic rods (17) respectively.

2. The PCB positioning mechanism of the chip mounter according to claim 1, wherein a driving screw rod (5) is horizontally embedded in the moving groove (8), the driving screw rod (5) is rotatably installed, a first motor (4) is fixedly installed on the side wall of the supporting table (3), and the first motor (4) is connected with the driving screw rod (5).

3. The positioning mechanism of the PCB of the chip mounter according to claim 2, wherein an electric heating wire is further arranged in the drying plate (7), and the fan (6) blows heat generated by the electric heating wire towards the clamping assembly (2).

4. The positioning mechanism of the PCB of the chip mounter according to claim 1, wherein a second motor (9) is arranged in the driving box (16), the second motor (9) is symmetrically arranged at two side edges of the inside of the driving box (16), and the second motor (9) is connected with a rotating roller sleeved in the conveying belt (15).

5. The PCB positioning mechanism of the chip mounter according to claim 1, wherein a lifting groove (12) is vertically formed in the supporting plate (11), a lifting block (13) is arranged in the lifting groove (12) in a sliding mode, the lifting block (13) is fixedly connected with the end portion of the pressing plate (10), and one end, far away from the pressing plate (10), of the lifting block (13) is fixedly connected with a sliding piece (18).

6. The positioning mechanism of a chip mounter PCB according to claim 1, wherein a moving block (14) is arranged at the bottom of the driving box (16) in a protruding manner, and a threaded hole is formed in the moving block (14) in a penetrating manner.

7. The positioning mechanism of a chip mounter PCB according to claim 6, wherein the moving block (14) corresponds to the moving groove (8), the moving block (14) penetrates into the moving groove (8) and is in threaded connection with the driving screw (5), and the moving block (14) horizontally slides along the moving groove (8).