CN213152523U - Quick positioning structure for mounting head and patch of PCB (printed circuit board) - Google Patents

Abstract

The application discloses first paster quick location structure of PCB board subsides relates to circuit board processing field, and its technical scheme main points are including the frame, the frame includes the workstation and fixes the link on the workstation, still including setting up connecting block on the link, drive assembly that the link removed, connect the absorption paster mechanism of keeping away from drive assembly one end at the connecting block and carry out the spacing subassembly of fixing a position to the connecting block, spacing subassembly includes the limiting plate and drives the regulating part of limiting plate motion. This application is fixed a position through the motion to subassembly on the equipment, has the effect that reduces motion error.

Description

Quick positioning structure for mounting head and patch of PCB (printed circuit board)

Technical Field

The application relates to the field of circuit board processing, in particular to a quick positioning structure for a chip mounting head of a PCB (printed circuit board).

Background

The mounting is a Circuit mounting technique in which various surface-mounted components without leads or short leads are mounted on a PCB (Printed Circuit Board) substrate and then soldered and assembled by a method such as flow soldering or dip soldering. During the use process, various surface-mounted components are mounted on the PCB board in a suction mode through a suction nozzle, and the quality of the suction nozzle determines the stability of the surface-mounted component in transportation. When the chip mounter carries out the in-process of paster to the circuit board of different models, because the specification of circuit board is different, so the position of suction nozzle also is different. The position of the suction nozzle needs to be adjusted, which results in the difference between the motion trajectories of the various components of the device and the previous ones, and the components of the device need to be worn in to adapt to the new motion trajectories at the beginning of use, which increases the initial motion error.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a quick location structure of first paster of PCB board subsides dress, fixes a position through the motion to subassembly on the equipment, reduces the error of motion.

In order to achieve the purpose, the application provides the following technical scheme: the utility model provides a first quick location structure of paster of PCB board subsides dress, includes the frame, the frame includes the workstation and fixes the link on the workstation, still including setting up connecting block on the link, drive the drive assembly that the link removed, connect the spacing subassembly that carries out the location to the connecting block in the absorption paster mechanism that drive assembly one end was kept away from to the connecting block, spacing subassembly includes the limiting plate and drives the regulating part of limiting plate motion.

By adopting the technical scheme, when the type specification of the PCB to be subjected to surface mounting changes, the position of the limiting plate needs to be adjusted, so that the element clamped by the surface mounting device can be correctly placed on the PCB after the connecting block is abutted to the limiting plate; when the paster mechanism is taking the material and will carry out the in-process of blowing, connecting block and limiting plate butt return to same position all the time. The limiting plate is used for positioning the connecting block and the patch structure before discharging, so that the motion error is reduced.

The application is further configured to: the adjusting piece comprises a fixed plate fixed on the connecting frame and a threaded rod which is vertically fixed on one side of the limiting plate, close to the fixed plate, and in threaded connection with the fixed plate.

Through adopting above-mentioned technical scheme, can change the length that the threaded rod passed the fixed plate through rotating the threaded rod to change the position of limiting plate, be convenient for change the position of limiting plate, and make the position of limiting plate remain stable behind the change position.

The application is further configured to: the connecting frame is provided with a sliding groove, and the connecting block and the limiting plate slide in the sliding groove.

Through adopting above-mentioned technical scheme, the connecting block slides in the spout, and it is spacing to the slip of connecting block through the spout, increases the gliding stability of connecting block.

The application is further configured to: the patch mechanism comprises a supporting block fixedly connected with the connecting block, a supporting frame connected with the supporting block, a sliding block connected to the bottom end of the supporting frame in a sliding mode, an air cylinder with a cylinder body fixed to the bottom end of the sliding block, a fixed block fixed on a piston rod of the air cylinder, an adsorption shell connected with the fixed block and an air nozzle communicated with the adsorption shell; a first T-shaped groove is formed in one side, close to the element track, of the workbench, and a first T-shaped block which slides in the first T-shaped groove is fixed on one side, close to the first T-shaped groove, of the element track.

Through adopting above-mentioned technical scheme, when the model of PCB board changed, the slider of paster mechanism and the position of component track also need change thereupon, through changing the position of component track and slider, be convenient for adapt to new PCB.

The application is further configured to: the supporting block is close to one side of the supporting frame and is provided with a slide way, and one side of the supporting frame close to the supporting block is fixed with a second T-shaped block which slides in the slide way.

Through adopting above-mentioned technical scheme, through adjusting the position to the support frame, can adjust the position of a plurality of sliders simultaneously, be convenient for adjust the position of slider.

The application is further configured to: the supporting block is connected with a fixing bolt capable of being abutted to the supporting frame through threads.

Through adopting above-mentioned technical scheme, the fixing bolt of screwing can increase the frictional force between supporting shoe and the support frame to support frame after sliding is fixed.

The application is further configured to: and the adsorption shell is penetrated with a connecting bolt in threaded connection with the fixed block.

Through adopting above-mentioned technical scheme, adsorb the shell and be connected through connecting bolt with the fixed block, conveniently adsorb the installation and the change of shell.

To sum up, the beneficial technical effect of this application does:

1. when the type specification of the PCB to be subjected to surface mounting changes, the position of the limiting plate needs to be adjusted, so that after the connecting block is abutted to the limiting plate, the element clamped by the surface mounting device can be correctly placed on the PCB; when the paster mechanism is taking the material and will carry out the in-process of blowing, connecting block and limiting plate butt return to same position all the time. The connecting block and the patch structure before discharging are positioned through the limiting plate, so that the motion error is reduced;

2. the length of the threaded rod penetrating through the fixing plate can be changed by rotating the threaded rod, so that the position of the limiting plate is changed, the position of the limiting plate is convenient to change, and the position of the limiting plate is kept stable after the position is changed;

3. the friction force between the supporting block and the supporting frame can be increased by screwing the fixing bolt, so that the sliding supporting frame is fixed.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view showing a patch structure;

fig. 3 is a schematic structural diagram showing a limiting assembly.

In the figure: 1. a frame; 11. a work table; 111. a first T-shaped slot; 12. a connecting frame; 121. a chute; 2. an element rail; 21. a first T-shaped block; 3. a drive assembly; 31. a motor; 32. a screw; 4. connecting blocks; 5. a patch mechanism; 51. a support block; 511. a slideway; 512. fixing the bolt; 52. a support frame; 521. a second T-shaped block; 522. a second T-shaped slot; 53. a slider; 54. a cylinder; 55. a fixed block; 551. a connecting bolt; 56. an adsorption housing; 57. an air tap; 6. a limiting component; 61. a limiting plate; 611. a through hole; 62. a fixing plate; 63. a threaded rod.

Detailed Description

The present application is described in further detail below with reference to the attached figures.

Example (b): the utility model provides a first quick location structure of paster of PCB board subsides, refers to figure 1, includes frame 1, the drive assembly 3 of frame 1 is fixed to component track 2, the cylinder body that sets up in frame 1 one side, by drive assembly 3 drive motion's connecting block 4, set up at connecting block 4 and keep away from paster mechanism 5 of drive assembly 3 one end and set up at connecting block 4 and be close to spacing subassembly 6 of drive assembly 3 one side. The pick-and-place mechanism 5 holds the component from the component track 2 and places it on the PCB board.

The rack 1 comprises a workbench 11 for pasting the circuit board and a connecting frame 12 fixed on the workbench 11. The component rail 2 is vertically disposed on the table 11, and the component rail 2 is perpendicular to the feeding direction of the board.

The driving assembly 3 comprises a screw 32 in threaded connection with the connecting block 4 and a motor 31 fixed on the connecting frame 12 and driving the screw 32 to rotate. The rotation of the motor 31 drives the screw rod 32 to rotate, and further drives the connecting block 4 in threaded connection with the screw rod 32 to move.

The connecting frame 12 is provided with a sliding groove 121, and the connecting block 4 slides in the sliding groove 121; the limiting assembly 6 is arranged in the sliding groove 121 and is fixedly connected with the connecting frame 12 through a bolt. A first T-shaped groove 111 is formed on one side of the workbench 11 close to the element rail 2, and a first T-shaped block 21 sliding in the first T-shaped groove 111 is fixed on one side of the element rail 2 close to the first T-shaped groove 111.

Referring to fig. 2, the sheet attaching mechanism 5 includes a supporting block 51 fixedly connected to the connecting block 4, a supporting frame 52 slidably connected to the supporting block 51, a sliding block 53 slidably connected to a bottom end of the supporting frame 52, an air cylinder 54 having a cylinder body fixed to a bottom end of the sliding block 53, a fixing block 55 fixed to a piston rod of the air cylinder 54, an adsorption casing 56 connected to the fixing block 55, and an air nozzle 57 communicated with the adsorption casing 56.

One side of the supporting block 51 close to the supporting frame 52 is provided with a slide way 511, and one side of the supporting frame 52 close to the supporting block 51 is fixed with a second T-shaped block 521 sliding in the slide way 511. The bottom end of the support frame 52 is provided with a second T-shaped groove 522 for the sliding of the sliding block 53, and the vertical section of the sliding block 53 is T-shaped and is difficult to separate from the second T-shaped groove along the vertical direction. The support block 51 is screwed with a fixing bolt 512 which can be abutted against the support frame 52, and the support frame 52 can be fixed after sliding by screwing the fixing bolt 512 so as to increase the sliding resistance of the support frame 52. The support frame 52 is screwed with a fixing bolt 512 having the same function to position the sliding block 53 after sliding.

The adsorption casing 56 is a sealed hollow shell and is connected with an air suction pipe for providing negative pressure for the adsorption casing 56; the air nozzle 57 is connected with the adsorption shell to realize the adsorption of the components. The adsorption housing 56 is provided with a connecting bolt 551 which is in threaded connection with the fixing block 55, so that the adsorption housing 56 is fixed and the adsorption housing 56 is convenient to replace.

Referring to fig. 1 and 3, the position limiting assembly 6 includes a position limiting plate 61 sliding in the sliding groove 121, a fixing plate 62 fixed to the connecting frame 12, and a threaded rod 63 fixed perpendicularly to a side of the position limiting plate 61 adjacent to the fixing plate 62 and threadedly coupled to the fixing plate 62. The limiting plate 61 is provided with a through hole 611 for the screw rod 32 to pass through.

When the model specification of the PCB to be mounted with the patch is changed, the positions of the element track 2 and the absorption shell 56 are changed to correspond to the position of the new PCB with the patch where the element is to be placed. And then the position of the limiting plate 61 is adjusted, so that the chip mounting mechanism 5 always returns to the same position in the process of taking and placing materials. The limiting plate 61 is used for positioning the connecting block 4 and the patch structure before discharging, so that the motion error is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a first quick location structure of paster of PCB board subsides dress, includes frame (1), frame (1) includes workstation (11) and fixes link (12) on workstation (11), its characterized in that: still including setting up connecting block (4) on link (12), drive assembly (3) that connecting block (4) removed, connect absorption paster mechanism (5) of keeping away from drive assembly (3) one end in connecting block (4) and spacing subassembly (6) of going on fixing a position connecting block (4), spacing subassembly (6) include limiting plate (61) and drive the regulating part of limiting plate (61) motion.

2. The PCB board mounting head paster quick positioning structure of claim 1, wherein: the adjusting piece comprises a fixing plate (62) fixed on the connecting frame (12) and a threaded rod (63) vertically fixed on one side, close to the fixing plate (62), of the limiting plate (61) and in threaded connection with the fixing plate (62).

3. The PCB board mounting head paster quick positioning structure of claim 1, wherein: a sliding groove (121) is formed in the connecting frame (12), and the connecting block (4) and the limiting plate (61) slide in the sliding groove (121).

4. The PCB board mounting head paster quick positioning structure of claim 1, wherein: the patch attaching mechanism (5) comprises a supporting block (51) fixedly connected with the connecting block (4), a supporting frame (52) connected with the supporting block (51), a sliding block (53) connected to the bottom end of the supporting frame (52) in a sliding mode, an air cylinder (54) with a cylinder body fixed to the bottom end of the sliding block (53), a fixed block (55) fixed on a piston rod of the air cylinder (54), an adsorption shell (56) connected with the fixed block (55) and an air nozzle (57) communicated with the adsorption shell (56); a first T-shaped groove (111) is formed in one side, close to the element track (2), of the workbench (11), and a first T-shaped block (21) sliding in the first T-shaped groove (111) is fixed to one side, close to the first T-shaped groove (111), of the element track (2).

5. The PCB board mounting head paster quick positioning structure of claim 4, wherein: one side of the supporting block (51) close to the supporting frame (52) is provided with a slide way (511), and one side of the supporting frame (52) close to the supporting block (51) is fixedly provided with a second T-shaped block (521) which slides in the slide way (511).

6. The PCB board mounting head paster quick positioning structure of claim 5, wherein: the supporting block (51) is in threaded connection with a fixing bolt (512) capable of being abutted to the supporting frame (52).

7. The PCB board mounting head paster quick positioning structure of claim 4, wherein: and a connecting bolt (551) in threaded connection with the fixing block (55) penetrates through the adsorption shell (56).

Images