CN219181784U

CN219181784U - Positioning device for welding SMT (surface mounted technology) patch element

Info

Publication number: CN219181784U
Application number: CN202223380119.5U
Authority: CN
Inventors: 周贤忠; 冯水泉
Original assignee: Guangzhou Mingda Electronic Technology Co ltd
Current assignee: Guangzhou Mingda Electronic Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-13
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a positioning device for welding SMT patch elements, which comprises a connecting seat and a correction unit; and (3) a connecting seat: screw holes are formed in four corners of the upper surface of the support tube, the middle of the lower surface of the connecting seat is rotationally connected with the upper end of the support tube through a bearing, an electric push rod I is arranged in the lower end of the support tube, a pressing plate is arranged at the telescopic end of the electric push rod I, and the input end of the electric push rod I is electrically connected with the output end of an external controller; correction unit: the correction unit comprises slide columns and clamping plates, wherein the slide columns are symmetrically arranged in the middle of the outer cambered surface of the support tube, the number of the clamping plates is two, the left ends of the two slide columns are in sliding connection with the clamping plates on the left side, the right ends of the two slide columns are in sliding connection with the clamping plates on the right side, and the SMT patch element welding positioning device can correct the positions of the patch elements and is good in use universality.

Description

Positioning device for welding SMT (surface mounted technology) patch element

Technical Field

The utility model relates to the technical field of chip component processing, in particular to a positioning device for welding an SMT chip component.

Background

SMT is a surface mounting technology, called surface mounting or surface mounting technology, and is one of the most popular technologies and technologies in the current electronic assembly industry, when SMT chip components are welded, a positioning device is used for fixing the chip components, so that the chip components are prevented from being misplaced due to touch in the welding process, the welding quality is guaranteed, but a correction unit is generally lacked, the position of the chip components cannot be corrected, so that misplaced chip components are already existing before being fixed, then the chip components are directly fixed, the misplaced chip components are directly welded, and the production quality is further affected.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the positioning device for welding the SMT patch element, which can correct the position of the patch element, has good use universality and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a positioning device for SMT chip component welding comprises a connecting seat and a correction unit;

and (3) a connecting seat: screw holes are formed in four corners of the upper surface of the support tube, the middle of the lower surface of the connecting seat is rotationally connected with the upper end of the support tube through a bearing, an electric push rod I is arranged in the lower end of the support tube, a pressing plate is arranged at the telescopic end of the electric push rod I, and the input end of the electric push rod I is electrically connected with the output end of an external controller;

correction unit: set up in the middle part of stay tube extrados, drive two splint through the pulling force of extension spring and close in step, and then can realize the centering centre gripping of not unidimensional paster component, and then can correct the position of paster component and prevent to take place the dislocation to the use commonality is good, can drive the rotatory ninety degrees of correction unit through the power of motor simultaneously, and then correction unit can both correct the fore-and-aft direction of paster component and left and right directions, and then guarantees the accuracy of paster component position, guarantees the welding quality of paster component.

Further, the correction unit comprises a sliding column and clamping plates, the sliding columns are symmetrically arranged in the middle of the outer cambered surface of the supporting tube, the number of the clamping plates is two, the left ends of the two sliding columns are in sliding connection with the clamping plates on the left side, and the right ends of the two sliding columns are in sliding connection with the clamping plates on the right side, so that the clamping of the patch element is facilitated.

Further, the correction unit further comprises a synchronous disc and a guide column, the synchronous disc is rotationally connected to the middle of the outer cambered surface of the supporting tube, the guide column is respectively arranged at the upper end of the clamping plate, and the guide column is respectively in sliding connection with the inclined sliding holes on the lower surface of the synchronous disc, so that synchronous movement of the clamping plate is conveniently controlled.

Furthermore, the correction unit further comprises tension springs, and the tension springs are symmetrically arranged between the two clamping plates, so that the two clamping plates can be conveniently controlled to be closed.

Further, the correction unit further comprises a second electric push rod and a push block, the second electric push rod is arranged in the middle of the outer cambered surface of the supporting tube through a fixing seat, the push block is arranged at the telescopic end of the second electric push rod and is matched with the guide post on the right side, the input end of the second electric push rod is electrically connected with the output end of the external controller, and power is provided for opening the two clamping plates.

Further, the upper end of stay tube extrados is equipped with the worm wheel, and the left end of connecting seat lower surface is equipped with the motor, and the right-hand member of connecting seat lower surface is connected with the worm through the bearing rotation, and the left end and the output shaft fixed connection of motor of worm, worm and worm wheel meshing are connected, and the output of external control ware is connected to the input electricity of motor, the rotation of convenient control correction unit.

Further, the lower surface of clamp plate is equipped with the rubber pad, provides the protection to the paster component.

Compared with the prior art, the utility model has the beneficial effects that: the positioning device for welding the SMT patch element has the following advantages:

1. during the use, drive the connecting seat through outside triaxial slip table module and remove, when needing to fix a position the paster component, regulate and control external control ware, electric putter's flexible end stretches out, electric putter's flexible end passes through the guide post on push block drive right side and moves to the right, and then the guide post on right side drives the splint on right side and slides along the guide post to the right, simultaneously the guide post on right side and the oblique slide hole of synchronous dish take place relative slip, and then the guide post on right side will drive the synchronous dish rotation, the synchronous dish then can drive left guide post and move left, and then the guide post on left side drives left splint and slides along the slide post, and then two splint open tensile extension springs, then triaxial slip table module control connecting seat moves to the top of paster component mounted position department, then drive the connecting seat, the support tube moves splint through the slide post and moves down, then splint correspond with the position of paster component, then the flexible end shrink of electric putter second, then be in tensile state drive two splint and be close to each other, and under the effect of synchronous dish and guide post, the splint can slide in step, and then can stretch out the position of the clamping plate with the smooth plate, and then can realize the position is good to the realization of the position of the paster component is stretched out, and then can be rectified and the paster component is difficult to realize the position is close to the paster component.

2. The motor is controlled to operate, the output shaft of the motor drives the worm wheel to rotate through the worm, the worm wheel drives the supporting tube to rotate for ninety degrees, the motor stops operating, the supporting tube drives the clamping plate to rotate for ninety degrees around the axis of the supporting tube through the sliding column, the clamping plate is located on the front side and the rear side of the patch element, then the telescopic end of the second electric push rod contracts, the second electric push rod clamps the patch element in a centering mode in the front-rear direction, correction of the front-rear position of the patch element is achieved, then the telescopic end of the second electric push rod stretches out, the clamping plate is opened, then the connecting seat moves upwards, the correction unit can be driven to rotate for ninety degrees through power of the motor, the correction unit can correct the front-rear direction and the left-right direction of the patch element, and accuracy of the position of the patch element is guaranteed, and welding quality of the patch element is guaranteed.

Drawings

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

fig. 2 is a schematic cross-sectional view of the rear side of the present utility model.

In the figure: 1 connecting seat, 2 stay tubes, 3 electric putter one, 4 clamp plates, 5 rubber pads, 6 correction unit, 61 slide column, 62 splint, 63 synchronous dish, 64 guide post, 65 extension spring, 66 electric putter two, 67 ejector pad, 7 worm wheel, 8 worm, 9 motor, 10 screw holes.

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.

Referring to fig. 1-2, the present embodiment provides a technical solution: a positioning device for SMT chip component welding comprises a connecting seat 1 and a correction unit 6;

connecting seat 1: screw holes 10 are formed in four corners of the upper surface of the connecting seat 1, the connecting seat 1 is driven to move through an external three-shaft sliding table module when the connecting seat is used, the screw holes 10 facilitate the fixed installation of the connecting seat 1, the middle of the lower surface of the connecting seat 1 is rotationally connected with the upper end of a supporting tube 2 through a bearing, then the three-shaft sliding table module controls the connecting seat 1 to move to the position above the center of the mounting position of a patch element, then the connecting seat 1 is driven, the connecting seat 1 drives the supporting tube 2 to move downwards, an electric push rod I3 is arranged in the lower end of the supporting tube 2, a pressing plate 4 is arranged at the telescopic end of the electric push rod I3, the input end of the electric push rod I3 is electrically connected with the output end of an external controller, a worm wheel 7 is arranged at the upper end of the outer cambered surface of the supporting tube 2, a motor 9 is arranged at the left end of the lower surface of the connecting seat 1, the right end of the lower surface of the connecting seat 1 is rotationally connected with a worm 8 through a bearing, the left end of the worm 8 is fixedly connected with an output shaft of a motor 9, the worm 8 is in meshed connection with a worm wheel 7, the input end of the motor 9 is electrically connected with the output end of an external controller, the motor 9 runs, the output shaft of the motor 9 drives the worm wheel 7 to rotate through the worm 8, the worm wheel 7 drives the supporting tube 2 to rotate ninety degrees, the motor 9 stops running, the lower surface of the pressing plate 4 is provided with a rubber pad 5, the rubber pad 5 is prevented from scratching the surface of a patch element, the first electric push rod 3 runs, the telescopic end of the first electric push rod 3 stretches out to drive the pressing plate 4 to move downwards, the pressing plate 4 drives the rubber pad 5 to prop against the upper surface of the patch element, the patch element is further pressed down to the surface of a PCB, positioning and fixing of the patch element are realized, and then the patch element can be welded;

correction unit 6: the correcting unit 6 comprises slide posts 61 and clamping plates 62, wherein the slide posts 61 are symmetrically arranged in the middle of the outer cambered surface of the support tube 2, the clamping plates 62 are two in number, the left ends of the two slide posts 61 are in sliding connection with the left clamping plates 62, the right ends of the two slide posts 61 are in sliding connection with the right clamping plates 62, the correcting unit 6 further comprises a synchronizing disc 63 and a guide post 64, the synchronizing disc 63 is rotationally connected in the middle of the outer cambered surface of the support tube 2, the guide posts 64 are respectively arranged at the upper ends of the clamping plates 62, the guide posts 64 are respectively in sliding connection with oblique sliding holes on the lower surface of the synchronizing disc 63, the right guide post 64 drives the right clamping plates 62 to slide rightwards along the slide posts 61, meanwhile, the right guide posts 64 slide relative to the oblique sliding holes of the synchronizing disc 63, and the right guide posts 64 drive the synchronizing disc 63 to rotate, the synchronous disc 63 then synchronously drives the left guide post 64 to move leftwards, the left guide post 64 drives the left clamping plate 62 to slide leftwards along the sliding post 61, the support tube 2 drives the clamping plate 62 to move downwards through the sliding post 61, then the clamping plate 62 corresponds to the position of the patch element, the support tube 2 drives the clamping plate 62 to rotate ninety degrees around the axis of the support tube 2 through the sliding post 61, the clamping plate 62 is positioned at the front side and the rear side of the patch element, the correction unit 6 further comprises a tension spring 65, the tension spring 65 is symmetrically arranged between the two clamping plates 62, the two clamping plates 62 are stretched to stretch the tension spring 65, the tension spring 65 in a stretched state contracts to drive the two clamping plates 62 to be close to each other, the correction unit 6 further comprises a second electric push rod 66 and a push block 67, the second electric push rod 66 is arranged in the middle of the outer cambered surface of the support tube 2 through a fixing seat, the telescopic end of the second electric push rod 66 is provided with the push block 67, the push block 67 is matched with the right guide post 64, the input end of the second electric push rod 66 is electrically connected with the output end of the external controller, the telescopic end of the second electric push rod 66 stretches out, and the telescopic end of the second electric push rod 66 drives the right guide post 64 to move rightwards through the push block 67.

The utility model provides a positioning device for welding SMT patch elements, which has the following working principle: when the three-axis sliding table module is used, the connecting seat 1 is driven to move through the external three-axis sliding table module, when a patch element is required to be positioned, the external controller is regulated and controlled, the telescopic end of the electric push rod II 66 stretches out, the telescopic end of the electric push rod II 66 drives the right guide post 64 to move rightwards through the push block 67, the right guide post 64 drives the right clamping plate 62 to slide rightwards along the sliding post 61, simultaneously the right guide post 64 and the inclined sliding hole of the synchronous plate 63 slide relatively, the right guide post 64 drives the synchronous plate 63 to rotate, the synchronous plate 63 further synchronously drives the left guide post 64 to move leftwards, the left guide post 64 drives the left clamping plate 62 to slide leftwards along the sliding post 61, the two clamping plates 62 stretch the tension spring 65, the three-axis sliding table module controls the connecting seat 1 to move to the upper part of the center of the installation position of the patch element, then the connecting seat 1 is driven, the connecting seat 1 drives the supporting tube 2 to move downwards, the supporting tube 2 drives the clamping plate 62 to move downwards through the sliding column 61, then the clamping plate 62 corresponds to the position of the patch element, then the telescopic end of the second electric push rod 66 is contracted, then the tension spring 65 in a stretching state is contracted to drive the two clamping plates 62 to be close to each other, under the action of the synchronizing disc 63 and the guide column 64, the clamping plates 62 can synchronously slide, the clamping plate 62 clamps the patch element on the upper surface of the PCB board in a centering manner, further correction of the left and right direction position of the patch element can be realized, then the telescopic end of the second electric push rod 66 extends, the patch element is loosened by opening the clamping plate 62, then the motor 9 operates, the output shaft of the motor 9 drives the worm wheel 7 to rotate through the worm 8, the worm wheel 7 drives the supporting tube 2 to rotate ninety degrees, the motor 9 stops operating, and then stay tube 2 will drive splint 62 around the axle center rotation ninety degrees of stay tube 2 through traveller 61, and then splint 62 are located the front and back both sides of paster component, then the flexible end shrink of electric putter second 66, it presss from both sides the centering of paster component to same splint 62 in the fore-and-aft direction, and then realize the correction of paster component front and back position, then the flexible end of electric putter second 66 stretches out, splint 62 is opened, then connecting seat 1 moves up, splint 62 moves up and makes room for the welding of paster component, then electric putter first 3 moves, the flexible end of electric putter first 3 stretches out and drives clamp plate 4 and moves down, clamp plate 4 drives rubber pad 5 and the upper surface of paster component offset, and then push down the surface of PCB board with the paster component, and then realize the location of paster component and fix, then can weld the paster component.

It should be noted that, in the above embodiment, the first electric putter 3, the second electric putter 66 and the motor 9 may be freely configured according to the actual application scenario, the first electric putter 3 and the second electric putter 66 may be pen-type electric putters with the model TA-01-20, the motor 9 may be a hybrid stepper motor with the model 28BYGH, and the external control of the operation of the first electric putter 3, the second electric putter 66 and the motor 9 adopts the methods commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. Positioning device for welding SMT chip components, which is characterized in that: comprises a connecting seat (1) and a correction unit (6);

connecting seat (1): screw holes (10) are formed in four corners of the upper surface of the support tube, the middle of the lower surface of the connecting seat (1) is rotatably connected with the upper end of the support tube (2) through a bearing, an electric push rod I (3) is arranged in the lower end of the support tube (2), a pressing plate (4) is arranged at the telescopic end of the electric push rod I (3), and the input end of the electric push rod I (3) is electrically connected with the output end of an external controller;

correction unit (6): is arranged in the middle of the outer cambered surface of the support tube (2).

2. A positioning device for SMT patch component soldering as defined in claim 1, wherein: the correction unit (6) comprises slide columns (61) and clamping plates (62), wherein the slide columns (61) are symmetrically arranged in the middle of the outer cambered surface of the supporting tube (2), the number of the clamping plates (62) is two, the left ends of the two slide columns (61) are in sliding connection with the clamping plates (62) on the left side, and the right ends of the two slide columns (61) are in sliding connection with the clamping plates (62) on the right side.

3. A positioning device for SMT patch component soldering as defined in claim 2, wherein: the correction unit (6) further comprises a synchronizing disc (63) and a guide column (64), the synchronizing disc (63) is rotationally connected to the middle of the outer cambered surface of the supporting tube (2), the guide column (64) is respectively arranged at the upper end of the clamping plate (62), and the guide column (64) is respectively connected with the inclined sliding holes of the lower surface of the synchronizing disc (63) in a sliding mode.

4. A positioning device for SMT patch component soldering as defined in claim 2, wherein: the correction unit (6) further comprises tension springs (65), and the tension springs (65) are symmetrically arranged between the two clamping plates (62).

5. A positioning device for SMT patch component soldering as claimed in claim 3, wherein: the correction unit (6) further comprises a second electric push rod (66) and a push block (67), the second electric push rod (66) is arranged in the middle of the outer cambered surface of the supporting tube (2) through a fixing seat, the push block (67) is arranged at the telescopic end of the second electric push rod (66), the push block (67) is matched with the guide column (64) on the right side, and the input end of the second electric push rod (66) is electrically connected with the output end of the external controller.

6. A positioning device for SMT patch component soldering as defined in claim 1, wherein: the upper end of stay tube (2) extrados is equipped with worm wheel (7), and the left end of connecting seat (1) lower surface is equipped with motor (9), and the right-hand member of connecting seat (1) lower surface is connected with worm (8) through the bearing rotation, and the left end of worm (8) is connected with the output shaft fixed connection of motor (9), and worm (8) are connected with worm wheel (7) meshing, and the output of external control ware is connected to the input electricity of motor (9).

7. A positioning device for SMT patch component soldering as defined in claim 1, wherein: the lower surface of the pressing plate (4) is provided with a rubber pad (5).